656497083896 has 16 divisors (see below), whose sum is σ = 1254157165800. Its totient is φ = 322055173024.

The previous prime is 656497083889. The next prime is 656497083911. The reversal of 656497083896 is 698380794656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774170666 + ... + 774171513.

Almost surely, 2^656497083896 is an apocalyptic number.

It is an amenable number.

656497083896 is a deficient number, since it is larger than the sum of its proper divisors (597660081904).

656497083896 is a wasteful number, since it uses less digits than its factorization.

656497083896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548342238 (or 1548342234 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 656497083896 in words is "six hundred fifty-six billion, four hundred ninety-seven million, eighty-three thousand, eight hundred ninety-six".