18799637016 has 16 divisors (see below), whose sum is σ = 46999092600. Its totient is φ = 6266545664.

The previous prime is 18799636987. The next prime is 18799637041. The reversal of 18799637016 is 61073699781.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 391659081 + ... + 391659128.

Almost surely, 2^18799637016 is an apocalyptic number.

It is an amenable number.

18799637016 is an abundant number, since it is smaller than the sum of its proper divisors (28199455584).

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

18799637016 is a wasteful number, since it uses less digits than its factorization.

18799637016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783318218 (or 783318214 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 18799637016 in words is "eighteen billion, seven hundred ninety-nine million, six hundred thirty-seven thousand, sixteen".