656375318712 has 48 divisors (see below), whose sum is σ = 1778615715240. Its totient is φ = 218676996288.

The previous prime is 656375318701. The next prime is 656375318713. The reversal of 656375318712 is 217813573656.

656375318712 is a `hidden beast` number, since 6 + 5 + 6 + 37 + 531 + 8 + 71 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656375318713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2252923 + ... + 2527530.

Almost surely, 2^656375318712 is an apocalyptic number.

It is an amenable number.

656375318712 is an abundant number, since it is smaller than the sum of its proper divisors (1122240396528).

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

656375318712 is a wasteful number, since it uses less digits than its factorization.

656375318712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782372 (or 4782365 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 656375318712 in words is "six hundred fifty-six billion, three hundred seventy-five million, three hundred eighteen thousand, seven hundred twelve".