116566611656 has 32 divisors (see below), whose sum is σ = 250980746400. Its totient is φ = 50196147840.

The previous prime is 116566611647. The next prime is 116566611677. The reversal of 116566611656 is 656116665611.

116566611656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34856765 + ... + 34860108.

It is an arithmetic number, because the mean of its divisors is an integer number (7843148325).

Almost surely, 2^116566611656 is an apocalyptic number.

It is an amenable number.

116566611656 is an abundant number, since it is smaller than the sum of its proper divisors (134414134744).

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

116566611656 is a wasteful number, since it uses less digits than its factorization.

116566611656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69716909 (or 69716905 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 50.

The spelling of 116566611656 in words is "one hundred sixteen billion, five hundred sixty-six million, six hundred eleven thousand, six hundred fifty-six".