656657016 has 32 divisors (see below), whose sum is σ = 1649904000. Its totient is φ = 217784160.

The previous prime is 656657003. The next prime is 656657039. The reversal of 656657016 is 610756656.

656657016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 63970 + ... + 73521.

It is an arithmetic number, because the mean of its divisors is an integer number (51559500).

Almost surely, 2^656657016 is an apocalyptic number.

It is an amenable number.

656657016 is an abundant number, since it is smaller than the sum of its proper divisors (993246984).

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

656657016 is a wasteful number, since it uses less digits than its factorization.

656657016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137699 (or 137695 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 656657016 is about 25625.3198223944. The cubic root of 656657016 is about 869.1862810399.

The spelling of 656657016 in words is "six hundred fifty-six million, six hundred fifty-seven thousand, sixteen".