18136996330023 has 12 divisors (see below), whose sum is σ = 26198009680440. Its totient is φ = 12091272690096.

The previous prime is 18136996329937. The next prime is 18136996330031. The reversal of 18136996330023 is 32003369963181.

It is not a de Polignac number, because 18136996330023 - 2¹⁰ = 18136996328999 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18136996335023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2831736 + ... + 6655277.

It is an arithmetic number, because the mean of its divisors is an integer number (2183167473370).

Almost surely, 2^{18136996330023} is an apocalyptic number.

18136996330023 is a deficient number, since it is larger than the sum of its proper divisors (8061013350417).

18136996330023 is a wasteful number, since it uses less digits than its factorization.

18136996330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699438 (or 9699435 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 18136996330023 in words is "eighteen trillion, one hundred thirty-six billion, nine hundred ninety-six million, three hundred thirty thousand, twenty-three".