18185160022800 has 120 divisors (see below), whose sum is σ = 58711815822336. Its totient is φ = 4811191902720.

The previous prime is 18185160022789. The next prime is 18185160022829. The reversal of 18185160022800 is 822006158181.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59510199 + ... + 59814998.

Almost surely, 2^{18185160022800} is an apocalyptic number.

18185160022800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18185160022800 is an abundant number, since it is smaller than the sum of its proper divisors (40526655799536).

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

18185160022800 is a wasteful number, since it uses less digits than its factorization.

18185160022800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119325345 (or 119325334 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 42.

The spelling of 18185160022800 in words is "eighteen trillion, one hundred eighty-five billion, one hundred sixty million, twenty-two thousand, eight hundred".