18800946216 has 96 divisors (see below), whose sum is σ = 56605086720. Its totient is φ = 5598288000.

The previous prime is 18800946161. The next prime is 18800946259. The reversal of 18800946216 is 61264900881.

18800946216 is a `hidden beast` number, since 18 + 8 + 0 + 0 + 9 + 4 + 621 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294960 + ... + 352991.

It is an arithmetic number, because the mean of its divisors is an integer number (589636320).

Almost surely, 2^18800946216 is an apocalyptic number.

It is an amenable number.

18800946216 is an abundant number, since it is smaller than the sum of its proper divisors (37804140504).

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

18800946216 is a wasteful number, since it uses less digits than its factorization.

18800946216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648007 (or 648000 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 18800946216 in words is "eighteen billion, eight hundred million, nine hundred forty-six thousand, two hundred sixteen".