116165556605 has 12 divisors (see below), whose sum is σ = 162157634460. Its totient is φ = 79656381504.

The previous prime is 116165556599. The next prime is 116165556613. The reversal of 116165556605 is 506655561611.

It can be written as a sum of positive squares in 2 ways, for example, as 30964033156 + 85201523449 = 175966^2 + 291893^2 .

It is a de Polignac number, because none of the positive numbers 2^k-116165556605 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116165556605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237072320 + ... + 237072809.

It is an arithmetic number, because the mean of its divisors is an integer number (13513136205).

Almost surely, 2^116165556605 is an apocalyptic number.

It is an amenable number.

116165556605 is a deficient number, since it is larger than the sum of its proper divisors (45992077855).

116165556605 is an equidigital number, since it uses as much as digits as its factorization.

116165556605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474145148 (or 474145141 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 116165556605 in words is "one hundred sixteen billion, one hundred sixty-five million, five hundred fifty-six thousand, six hundred five".