18518668336702 has 8 divisors (see below), whose sum is σ = 28158523087536. Its totient is φ = 9132493974192.

The previous prime is 18518668336681. The next prime is 18518668336733. The reversal of 18518668336702 is 20763386681581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 63420096898 + ... + 63420097189.

It is an arithmetic number, because the mean of its divisors is an integer number (3519815385942).

Almost surely, 2^{18518668336702} is an apocalyptic number.

18518668336702 is a deficient number, since it is larger than the sum of its proper divisors (9639854750834).

18518668336702 is a wasteful number, since it uses less digits than its factorization.

18518668336702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126840194162.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 18518668336702 in words is "eighteen trillion, five hundred eighteen billion, six hundred sixty-eight million, three hundred thirty-six thousand, seven hundred two".