18000736383168 has 168 divisors, whose sum is σ = 64327307016960. Its totient is φ = 4675515932160.

The previous prime is 18000736383127. The next prime is 18000736383187. The reversal of 18000736383168 is 86138363700081.

18000736383168 is a `hidden beast` number, since 180 + 0 + 0 + 73 + 6 + 383 + 16 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×18000736383168² (a number of 27 digits) contains 22 as substring.

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, 202886028 + ... + 202974731.

Almost surely, 2^{18000736383168} is an apocalyptic number.

18000736383168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18000736383168 is an abundant number, since it is smaller than the sum of its proper divisors (46326570633792).

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

18000736383168 is a wasteful number, since it uses less digits than its factorization.

18000736383168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405860795 (or 405860782 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 18000736383168 in words is "eighteen trillion, seven hundred thirty-six million, three hundred eighty-three thousand, one hundred sixty-eight".