166 (number)

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title: "166 (number)" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["integers"] topic_path: "general/integers" source: "https://en.wikipedia.org/wiki/166_(number)" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::data[format=table title="Infobox number"]

FieldValue
number166
divisor1, 2, 83, 166
::

| number = 166 | divisor=1, 2, 83, 166 166 (one hundred [and] sixty-six) is the natural number following 165 and preceding 167.

In mathematics

166 is an even number and a composite number. It is a centered triangular number.

Given 166, the Mertens function returns 0. 166 is a Smith number in base 10.

166 in Roman numerals consists of the first 5 symbols, CLXVI.

References

References

  1. "Sloane's A005448 : Centered triangular numbers". OEIS Foundation.
  2. "Sloane's A006753 : Smith numbers". OEIS Foundation.

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integers