166364864 has 14 divisors (see below), whose sum is σ = 330130404. Its totient is φ = 83182400.

The previous prime is 166364813. The next prime is 166364897. The reversal of 166364864 is 468463661.

166364864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299662 + ... + 1299789.

Almost surely, 2^166364864 is an apocalyptic number.

It is an amenable number.

166364864 is a deficient number, since it is larger than the sum of its proper divisors (163765540).

166364864 is an equidigital number, since it uses as much as digits as its factorization.

166364864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599463 (or 2599453 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 166364864 is about 12898.2504239916. The cubic root of 166364864 is about 549.9888306272.

The spelling of 166364864 in words is "one hundred sixty-six million, three hundred sixty-four thousand, eight hundred sixty-four".