166012504 has 16 divisors (see below), whose sum is σ = 355741200. Its totient is φ = 71148192.

The previous prime is 166012487. The next prime is 166012523. The reversal of 166012504 is 405210661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482199 + ... + 1482310.

It is an arithmetic number, because the mean of its divisors is an integer number (22233825).

Almost surely, 2^166012504 is an apocalyptic number.

166012504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166012504 is an abundant number, since it is smaller than the sum of its proper divisors (189728696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166012504 is a wasteful number, since it uses less digits than its factorization.

166012504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964522 (or 2964518 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 166012504 is about 12884.5839668963. The cubic root of 166012504 is about 549.6002649184.

The spelling of 166012504 in words is "one hundred sixty-six million, twelve thousand, five hundred four".