116501156665656 has 128 divisors (see below), whose sum is σ = 333791158763520. Its totient is φ = 33193094085504.

The previous prime is 116501156665609. The next prime is 116501156665667. The reversal of 116501156665656 is 656566651105611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 116501156665656.

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, 92349561 + ... + 93602583.

It is an arithmetic number, because the mean of its divisors is an integer number (2607743427840).

Almost surely, 2^{116501156665656} is an apocalyptic number.

It is an amenable number.

116501156665656 is an abundant number, since it is smaller than the sum of its proper divisors (217290002097864).

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

116501156665656 is a wasteful number, since it uses less digits than its factorization.

116501156665656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254585 (or 1254581 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 60.

The spelling of 116501156665656 in words is "one hundred sixteen trillion, five hundred one billion, one hundred fifty-six million, six hundred sixty-five thousand, six hundred fifty-six".