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Sixty-six

Sixty-six (66, LXVI) is a natural number following sixty-five and preceding sixty-seven. It is a composite number with the divisors being 2, 3, 11, 22 and 33. It is a sphenic number. Its factorization is:

Sixty-six is also:

This article is about the number 66. For the year AD 66, see 66.