18503700353368 has 32 divisors (see below), whose sum is σ = 36203489071200. Its totient is φ = 8849449869568.

The previous prime is 18503700353267. The next prime is 18503700353377. The reversal of 18503700353368 is 86335300730581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10799580 + ... + 12395092.

It is an arithmetic number, because the mean of its divisors is an integer number (1131359033475).

Almost surely, 2^{18503700353368} is an apocalyptic number.

It is an amenable number.

18503700353368 is a deficient number, since it is larger than the sum of its proper divisors (17699788717832).

18503700353368 is a wasteful number, since it uses less digits than its factorization.

18503700353368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658571 (or 1658567 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 18503700353368 in words is "eighteen trillion, five hundred three billion, seven hundred million, three hundred fifty-three thousand, three hundred sixty-eight".