656702660460 has 192 divisors, whose sum is σ = 2348404337664. Its totient is φ = 133129420800.

The previous prime is 656702660447. The next prime is 656702660479. The reversal of 656702660460 is 64066207656.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1544037 + ... + 1922876.

It is an arithmetic number, because the mean of its divisors is an integer number (12231272592).

Almost surely, 2^656702660460 is an apocalyptic number.

656702660460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

656702660460 is an abundant number, since it is smaller than the sum of its proper divisors (1691701677204).

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

656702660460 is a wasteful number, since it uses less digits than its factorization.

656702660460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466984 (or 3466982 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 656702660460 in words is "six hundred fifty-six billion, seven hundred two million, six hundred sixty thousand, four hundred sixty".