23261117166 has 56 divisors (see below), whose sum is σ = 59786977584. Its totient is φ = 6646030560.

The previous prime is 23261117149. The next prime is 23261117177. The reversal of 23261117166 is 66171116232.

23261117166 is a `hidden beast` number, since 2 + 32 + 611 + 1 + 7 + 1 + 6 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23261117166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1129375 + ... + 1149786.

Almost surely, 2^23261117166 is an apocalyptic number.

23261117166 is an abundant number, since it is smaller than the sum of its proper divisors (36525860418).

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

23261117166 is an equidigital number, since it uses as much as digits as its factorization.

23261117166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279188 (or 2279173 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The spelling of 23261117166 in words is "twenty-three billion, two hundred sixty-one million, one hundred seventeen thousand, one hundred sixty-six".