18870116288 has 14 divisors (see below), whose sum is σ = 37445387136. Its totient is φ = 9435058112.

The previous prime is 18870116233. The next prime is 18870116329. The reversal of 18870116288 is 88261107881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147422720 + ... + 147422847.

Almost surely, 2^18870116288 is an apocalyptic number.

It is an amenable number.

18870116288 is a deficient number, since it is larger than the sum of its proper divisors (18575270848).

18870116288 is an equidigital number, since it uses as much as digits as its factorization.

18870116288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294845579 (or 294845569 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 50.

The spelling of 18870116288 in words is "eighteen billion, eight hundred seventy million, one hundred sixteen thousand, two hundred eighty-eight".