18379073136 has 20 divisors (see below), whose sum is σ = 47479272392. Its totient is φ = 6126357696.

The previous prime is 18379073131. The next prime is 18379073143. The reversal of 18379073136 is 63137097381.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 382897357 = 18379073136 / (1 + 8 + 3 + 7 + 9 + 0 + 7 + 3 + 1 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18379073131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191448631 + ... + 191448726.

Almost surely, 2^18379073136 is an apocalyptic number.

18379073136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18379073136 is an abundant number, since it is smaller than the sum of its proper divisors (29100199256).

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

18379073136 is a wasteful number, since it uses less digits than its factorization.

18379073136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382897368 (or 382897362 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 18379073136 in words is "eighteen billion, three hundred seventy-nine million, seventy-three thousand, one hundred thirty-six".