23165317168 has 80 divisors (see below), whose sum is σ = 52482551616. Its totient is φ = 9699655680.

The previous prime is 23165317159. The next prime is 23165317193. The reversal of 23165317168 is 86171356132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422480 + ... + 1438672.

Almost surely, 2^23165317168 is an apocalyptic number.

23165317168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23165317168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26241275808).

23165317168 is an abundant number, since it is smaller than the sum of its proper divisors (29317234448).

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

23165317168 is a wasteful number, since it uses less digits than its factorization.

23165317168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16502 (or 16496 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The spelling of 23165317168 in words is "twenty-three billion, one hundred sixty-five million, three hundred seventeen thousand, one hundred sixty-eight".