656611136 has 28 divisors (see below), whose sum is σ = 1305348672. Its totient is φ = 327704448.

The previous prime is 656611051. The next prime is 656611141. The reversal of 656611136 is 631116656.

It is a super-2 number, since 2×656611136² = 862276367838420992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 656611096 and 656611105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26921 + ... + 45143.

Almost surely, 2^656611136 is an apocalyptic number.

It is an amenable number.

656611136 is a deficient number, since it is larger than the sum of its proper divisors (648737536).

656611136 is a wasteful number, since it uses less digits than its factorization.

656611136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18798 (or 18788 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 656611136 is about 25624.4245984178. The cubic root of 656611136 is about 869.1660374960.

The spelling of 656611136 in words is "six hundred fifty-six million, six hundred eleven thousand, one hundred thirty-six".