18514004368 has 20 divisors (see below), whose sum is σ = 36071285040. Its totient is φ = 9205285664.

The previous prime is 18514004329. The next prime is 18514004393. The reversal of 18514004368 is 86340041581.

It is a self number, because there is not a number n which added to its sum of digits gives 18514004368.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3229330 + ... + 3235057.

It is an arithmetic number, because the mean of its divisors is an integer number (1803564252).

Almost surely, 2^18514004368 is an apocalyptic number.

It is an amenable number.

18514004368 is a deficient number, since it is larger than the sum of its proper divisors (17557280672).

18514004368 is a wasteful number, since it uses less digits than its factorization.

18514004368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464574 (or 6464568 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 18514004368 in words is "eighteen billion, five hundred fourteen million, four thousand, three hundred sixty-eight".