18873539160 has 128 divisors (see below), whose sum is σ = 64738483200. Its totient is φ = 4312005120.

The previous prime is 18873539149. The next prime is 18873539177. The reversal of 18873539160 is 6193537881.

It is a Cunningham number, because it is equal to 137381²-1.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2744206 + ... + 2751074.

It is an arithmetic number, because the mean of its divisors is an integer number (505769400).

Almost surely, 2^18873539160 is an apocalyptic number.

18873539160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18873539160 is an abundant number, since it is smaller than the sum of its proper divisors (45864944040).

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

18873539160 is a wasteful number, since it uses less digits than its factorization.

18873539160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161 (or 10157 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 18873539160 in words is "eighteen billion, eight hundred seventy-three million, five hundred thirty-nine thousand, one hundred sixty".