656483568 has 80 divisors (see below), whose sum is σ = 1838278176. Its totient is φ = 200678400.

The previous prime is 656483551. The next prime is 656483579. The reversal of 656483568 is 865384656.

It is a self number, because there is not a number n which added to its sum of digits gives 656483568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94618 + ... + 101318.

Almost surely, 2^656483568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656483568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919139088).

656483568 is an abundant number, since it is smaller than the sum of its proper divisors (1181794608).

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

656483568 is a wasteful number, since it uses less digits than its factorization.

656483568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882 (or 6876 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The square root of 656483568 is about 25621.9352899035. The cubic root of 656483568 is about 869.1097459568.

The spelling of 656483568 in words is "six hundred fifty-six million, four hundred eighty-three thousand, five hundred sixty-eight".