18366837185322 has 40 divisors (see below), whose sum is σ = 41562798816132. Its totient is φ = 6061662432000.

The previous prime is 18366837185321. The next prime is 18366837185377. The reversal of 18366837185322 is 22358173866381.

18366837185322 is a `hidden beast` number, since 1 + 8 + 3 + 6 + 6 + 83 + 7 + 18 + 532 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18224028019521 + 142809165801 = 4268961^2 + 377901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18366837185322.

It is not an unprimeable number, because it can be changed into a prime (18366837185321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 561248679 + ... + 561281402.

Almost surely, 2^{18366837185322} is an apocalyptic number.

18366837185322 is an abundant number, since it is smaller than the sum of its proper divisors (23195961630810).

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

18366837185322 is a wasteful number, since it uses less digits than its factorization.

18366837185322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122530196 (or 1122530187 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 18366837185322 in words is "eighteen trillion, three hundred sixty-six billion, eight hundred thirty-seven million, one hundred eighty-five thousand, three hundred twenty-two".