18122184364 has 12 divisors (see below), whose sum is σ = 32451353704. Its totient is φ = 8850369024.

The previous prime is 18122184349. The next prime is 18122184397. The reversal of 18122184364 is 46348122181.

It is a super-2 number, since 2×18122184364² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52680597 + ... + 52680940.

Almost surely, 2^18122184364 is an apocalyptic number.

It is an amenable number.

18122184364 is a deficient number, since it is larger than the sum of its proper divisors (14329169340).

18122184364 is a wasteful number, since it uses less digits than its factorization.

18122184364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105361584 (or 105361582 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The spelling of 18122184364 in words is "eighteen billion, one hundred twenty-two million, one hundred eighty-four thousand, three hundred sixty-four".