18804414216 has 32 divisors (see below), whose sum is σ = 53726898240. Its totient is φ = 5372689728.

The previous prime is 18804414203. The next prime is 18804414241. The reversal of 18804414216 is 61241440881.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 55965351 + ... + 55965686.

It is an arithmetic number, because the mean of its divisors is an integer number (1678965570).

Almost surely, 2^18804414216 is an apocalyptic number.

It is an amenable number.

18804414216 is an abundant number, since it is smaller than the sum of its proper divisors (34922484024).

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

18804414216 is a wasteful number, since it uses less digits than its factorization.

18804414216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111931053 (or 111931049 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 18804414216 in words is "eighteen billion, eight hundred four million, four hundred fourteen thousand, two hundred sixteen".