656523496 has 16 divisors (see below), whose sum is σ = 1246564800. Its totient is φ = 324106224.

The previous prime is 656523463. The next prime is 656523499. The reversal of 656523496 is 694325656.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (656523499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518770 + ... + 520033.

It is an arithmetic number, because the mean of its divisors is an integer number (77910300).

Almost surely, 2^656523496 is an apocalyptic number.

It is an amenable number.

656523496 is a deficient number, since it is larger than the sum of its proper divisors (590041304).

656523496 is a wasteful number, since it uses less digits than its factorization.

656523496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038888 (or 1038884 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 46.

The square root of 656523496 is about 25622.7144541713. The cubic root of 656523496 is about 869.1273656466.

The spelling of 656523496 in words is "six hundred fifty-six million, five hundred twenty-three thousand, four hundred ninety-six".