656063938 has 16 divisors (see below), whose sum is σ = 988746624. Its totient is φ = 326486160.

The previous prime is 656063923. The next prime is 656063957. The reversal of 656063938 is 839360656.

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, 719703 + ... + 720613.

It is an arithmetic number, because the mean of its divisors is an integer number (61796664).

Almost surely, 2^656063938 is an apocalyptic number.

656063938 is a deficient number, since it is larger than the sum of its proper divisors (332682686).

656063938 is a wasteful number, since it uses less digits than its factorization.

656063938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 656063938 is about 25613.7450990674. The cubic root of 656063938 is about 868.9245256530.

The spelling of 656063938 in words is "six hundred fifty-six million, sixty-three thousand, nine hundred thirty-eight".