23216151816 has 96 divisors (see below), whose sum is σ = 73869606720. Its totient is φ = 6494025600.

The previous prime is 23216151799. The next prime is 23216151839. The reversal of 23216151816 is 61815161232.

23216151816 is a `hidden beast` number, since 2 + 3 + 21 + 615 + 1 + 8 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117140 + ... + 1137731.

It is an arithmetic number, because the mean of its divisors is an integer number (769475070).

Almost surely, 2^23216151816 is an apocalyptic number.

23216151816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23216151816 is an abundant number, since it is smaller than the sum of its proper divisors (50653454904).

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

23216151816 is a wasteful number, since it uses less digits than its factorization.

23216151816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254907 (or 2254900 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The spelling of 23216151816 in words is "twenty-three billion, two hundred sixteen million, one hundred fifty-one thousand, eight hundred sixteen".