18219592182 has 24 divisors (see below), whose sum is σ = 40052989368. Its totient is φ = 5521088320.

The previous prime is 18219592169. The next prime is 18219592231. The reversal of 18219592182 is 28129591281.

It is a super-2 number, since 2×18219592182² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) 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 11 ways as a sum of consecutive naturals, for example, 12547203 + ... + 12548654.

It is an arithmetic number, because the mean of its divisors is an integer number (1668874557).

Almost surely, 2^18219592182 is an apocalyptic number.

18219592182 is an abundant number, since it is smaller than the sum of its proper divisors (21833397186).

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

18219592182 is a wasteful number, since it uses less digits than its factorization.

18219592182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25095884 (or 25095873 counting only the distinct ones).

The product of its digits is 207360, while the sum is 48.

Subtracting 18219592182 from its reverse (28129591281), we obtain a palindrome (9909999099).

The spelling of 18219592182 in words is "eighteen billion, two hundred nineteen million, five hundred ninety-two thousand, one hundred eighty-two".