656325164 has 24 divisors (see below), whose sum is σ = 1256173968. Its totient is φ = 297570240.

The previous prime is 656325157. The next prime is 656325191. The reversal of 656325164 is 461523656.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319 + ... + 36254.

It is an arithmetic number, because the mean of its divisors is an integer number (52340582).

Almost surely, 2^656325164 is an apocalyptic number.

It is an amenable number.

656325164 is a deficient number, since it is larger than the sum of its proper divisors (599848804).

656325164 is a wasteful number, since it uses less digits than its factorization.

656325164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37985 (or 37983 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 656325164 is about 25618.8439239557. The cubic root of 656325164 is about 869.0398373603.

The spelling of 656325164 in words is "six hundred fifty-six million, three hundred twenty-five thousand, one hundred sixty-four".