30657164 has 24 divisors (see below), whose sum is σ = 55349280. Its totient is φ = 14846976.

The previous prime is 30657163. The next prime is 30657173. The reversal of 30657164 is 46175603.

It is a self number, because there is not a number n which added to its sum of digits gives 30657164.

It is not an unprimeable number, because it can be changed into a prime (30657163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52844 + ... + 53420.

It is an arithmetic number, because the mean of its divisors is an integer number (2306220).

Almost surely, 2^30657164 is an apocalyptic number.

It is an amenable number.

30657164 is a deficient number, since it is larger than the sum of its proper divisors (24692116).

30657164 is a wasteful number, since it uses less digits than its factorization.

30657164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 30657164 is about 5536.8911854939. The cubic root of 30657164 is about 312.9757285361.

The spelling of 30657164 in words is "thirty million, six hundred fifty-seven thousand, one hundred sixty-four".