120717669656 has 64 divisors (see below), whose sum is σ = 241823232000. Its totient is φ = 56369738880.

The previous prime is 120717669643. The next prime is 120717669689. The reversal of 120717669656 is 656966717021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25363805 + ... + 25368563.

It is an arithmetic number, because the mean of its divisors is an integer number (3778488000).

Almost surely, 2^120717669656 is an apocalyptic number.

It is an amenable number.

120717669656 is an abundant number, since it is smaller than the sum of its proper divisors (121105562344).

120717669656 is a wasteful number, since it uses less digits than its factorization.

120717669656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352 (or 8348 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 120717669656 in words is "one hundred twenty billion, seven hundred seventeen million, six hundred sixty-nine thousand, six hundred fifty-six".