656000164 has 18 divisors (see below), whose sum is σ = 1176695282. Its totient is φ = 319996800.

The previous prime is 656000153. The next prime is 656000167. The reversal of 656000164 is 461000656.

It can be written as a sum of positive squares in 3 ways, for example, as 125619264 + 530380900 = 11208^2 + 23030^2 .

It is not an unprimeable number, because it can be changed into a prime (656000167) 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 5 ways as a sum of consecutive naturals, for example, 42057 + ... + 55504.

Almost surely, 2^656000164 is an apocalyptic number.

It is an amenable number.

656000164 is a deficient number, since it is larger than the sum of its proper divisors (520695118).

656000164 is a wasteful number, since it uses less digits than its factorization.

656000164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97647 (or 97604 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 656000164 is about 25612.5001512933. The cubic root of 656000164 is about 868.8963695617.

The spelling of 656000164 in words is "six hundred fifty-six million, one hundred sixty-four", and thus it is an aban number.