116656161605 has 4 divisors (see below), whose sum is σ = 139987393932. Its totient is φ = 93324929280.

The previous prime is 116656161539. The next prime is 116656161641. The reversal of 116656161605 is 506161656611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62011956484 + 54644205121 = 249022^2 + 233761^2 .

It is a de Polignac number, because none of the positive numbers 2^k-116656161605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11665616156 + ... + 11665616165.

It is an arithmetic number, because the mean of its divisors is an integer number (34996848483).

Almost surely, 2^116656161605 is an apocalyptic number.

It is an amenable number.

116656161605 is a deficient number, since it is larger than the sum of its proper divisors (23331232327).

116656161605 is an equidigital number, since it uses as much as digits as its factorization.

116656161605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23331232326.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 116656161605 in words is "one hundred sixteen billion, six hundred fifty-six million, one hundred sixty-one thousand, six hundred five".