18303663066372 has 36 divisors (see below), whose sum is σ = 46268592006000. Its totient is φ = 6101089252272.

The previous prime is 18303663066361. The next prime is 18303663066379. The reversal of 18303663066372 is 27366036630381.

18303663066372 is a `hidden beast` number, since 183 + 0 + 3 + 6 + 6 + 30 + 66 + 372 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (18303663066379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3793198 + ... + 7141125.

Almost surely, 2^{18303663066372} is an apocalyptic number.

18303663066372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18303663066372 is an abundant number, since it is smaller than the sum of its proper divisors (27964928939628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18303663066372 is a wasteful number, since it uses less digits than its factorization.

18303663066372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10980832 (or 10980827 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 54.

The spelling of 18303663066372 in words is "eighteen trillion, three hundred three billion, six hundred sixty-three million, sixty-six thousand, three hundred seventy-two".