18364638182 has 16 divisors (see below), whose sum is σ = 30088960272. Its totient is φ = 8337081120.

The previous prime is 18364638181. The next prime is 18364638191. The reversal of 18364638182 is 28183646381.

It is a self number, because there is not a number n which added to its sum of digits gives 18364638182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18364638181) 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 7 ways as a sum of consecutive naturals, for example, 506153 + ... + 541220.

It is an arithmetic number, because the mean of its divisors is an integer number (1880560017).

Almost surely, 2^18364638182 is an apocalyptic number.

18364638182 is a deficient number, since it is larger than the sum of its proper divisors (11724322090).

18364638182 is a wasteful number, since it uses less digits than its factorization.

18364638182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048183.

The product of its digits is 1327104, while the sum is 50.

The spelling of 18364638182 in words is "eighteen billion, three hundred sixty-four million, six hundred thirty-eight thousand, one hundred eighty-two".