18138683183356 has 12 divisors (see below), whose sum is σ = 31749083751280. Its totient is φ = 9067516397280.

The previous prime is 18138683183329. The next prime is 18138683183363. The reversal of 18138683183356 is 65338138683181.

It is a happy number.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 456276240 + ... + 456315991.

Almost surely, 2^{18138683183356} is an apocalyptic number.

It is an amenable number.

18138683183356 is a deficient number, since it is larger than the sum of its proper divisors (13610400567924).

18138683183356 is a wasteful number, since it uses less digits than its factorization.

18138683183356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912597204 (or 912597202 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

The spelling of 18138683183356 in words is "eighteen trillion, one hundred thirty-eight billion, six hundred eighty-three million, one hundred eighty-three thousand, three hundred fifty-six".