18616202794368 has 960 divisors, whose sum is σ = 62050468880400. Its totient is φ = 5520857481216.

The previous prime is 18616202794361. The next prime is 18616202794447. The reversal of 18616202794368 is 86349720261681.

18616202794368 is a `hidden beast` number, since 1 + 8 + 6 + 162 + 0 + 27 + 94 + 368 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18616202794361) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6129798546 + ... + 6129801582.

Almost surely, 2^{18616202794368} is an apocalyptic number.

18616202794368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18616202794368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31025234440200).

18616202794368 is an abundant number, since it is smaller than the sum of its proper divisors (43434266086032).

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

18616202794368 is a wasteful number, since it uses less digits than its factorization.

18616202794368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 18616202794368 in words is "eighteen trillion, six hundred sixteen billion, two hundred two million, seven hundred ninety-four thousand, three hundred sixty-eight".