18153787216204 has 12 divisors (see below), whose sum is σ = 31769587449544. Its totient is φ = 9076762230624.

The previous prime is 18153787216163. The next prime is 18153787216217. The reversal of 18153787216204 is 40261278735181.

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, 32533137 + ... + 33086440.

Almost surely, 2^{18153787216204} is an apocalyptic number.

It is an amenable number.

18153787216204 is a deficient number, since it is larger than the sum of its proper divisors (13615800233340).

18153787216204 is a wasteful number, since it uses less digits than its factorization.

18153787216204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65688744 (or 65688742 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 18153787216204 in words is "eighteen trillion, one hundred fifty-three billion, seven hundred eighty-seven million, two hundred sixteen thousand, two hundred four".