656601500116 has 12 divisors (see below), whose sum is σ = 1149491715988. Its totient is φ = 328175295552.

The previous prime is 656601500059. The next prime is 656601500117. The reversal of 656601500116 is 611005106656.

It can be written as a sum of positive squares in 2 ways, for example, as 567015024016 + 89586476100 = 753004^2 + 299310^2 .

It is a super-2 number, since 2×656601500116² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656601500117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31351851 + ... + 31372786.

Almost surely, 2^656601500116 is an apocalyptic number.

It is an amenable number.

656601500116 is a deficient number, since it is larger than the sum of its proper divisors (492890215872).

656601500116 is a wasteful number, since it uses less digits than its factorization.

656601500116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62727258 (or 62727256 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 656601500116 in words is "six hundred fifty-six billion, six hundred one million, five hundred thousand, one hundred sixteen".