166 (number)

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166 is the natural number following one hundred (and) sixty-five and preceding one hundred (and) sixty-seven.

List of numbers — Integers << 160 161 162 163 164 165 166 167 168 169 >>
Ordinal	One hundred [and] sixty-seven
Cardinal	166th
Factorization
Roman numeral	CLXVI
Binary	10100110
Hexadecimal	A6

Given 166, the Mertens function returns 0. 166 is a centered triangular number

166 is a Smith number in base 10.

One hundred sixty-six is also:

• The year AD 166 or 166 BC.