164634656 has 24 divisors (see below), whose sum is σ = 325592064. Its totient is φ = 81944640.

The previous prime is 164634641. The next prime is 164634697. The reversal of 164634656 is 656436461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4400 + ... + 18671.

It is an arithmetic number, because the mean of its divisors is an integer number (13566336).

Almost surely, 2^164634656 is an apocalyptic number.

164634656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164634656 is a deficient number, since it is larger than the sum of its proper divisors (160957408).

164634656 is a wasteful number, since it uses less digits than its factorization.

164634656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23304 (or 23296 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 164634656 is about 12831.0037019713. The cubic root of 164634656 is about 548.0755396959.

The spelling of 164634656 in words is "one hundred sixty-four million, six hundred thirty-four thousand, six hundred fifty-six".