956656585656660 has 96 divisors (see below), whose sum is σ = 3061331765839872. Its totient is φ = 218662170168960.

The previous prime is 956656585656397. The next prime is 956656585656689. The reversal of 956656585656660 is 66656585656659.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30708895 + ... + 53444825.

It is an arithmetic number, because the mean of its divisors is an integer number (31888872560832).

Almost surely, 2^{956656585656660} is an apocalyptic number.

It is an amenable number.

956656585656660 is an abundant number, since it is smaller than the sum of its proper divisors (2104675180183212).

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

956656585656660 is a wasteful number, since it uses less digits than its factorization.

956656585656660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22836133 (or 22836131 counting only the distinct ones).

The product of its (nonzero) digits is 62985600000, while the sum is 84.

The spelling of 956656585656660 in words is "nine hundred fifty-six trillion, six hundred fifty-six billion, five hundred eighty-five million, six hundred fifty-six thousand, six hundred sixty".