18181079438262 has 16 divisors (see below), whose sum is σ = 39159248021040. Its totient is φ = 5594178288672.

The previous prime is 18181079438213. The next prime is 18181079438273. The reversal of 18181079438262 is 26283497018181.

It is a junction number, because it is equal to n+sod(n) for n = 18181079438196 and 18181079438205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116545380937 + ... + 116545381092.

It is an arithmetic number, because the mean of its divisors is an integer number (2447453001315).

Almost surely, 2^{18181079438262} is an apocalyptic number.

18181079438262 is an abundant number, since it is smaller than the sum of its proper divisors (20978168582778).

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

18181079438262 is a wasteful number, since it uses less digits than its factorization.

18181079438262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233090762047.

The product of its (nonzero) digits is 9289728, while the sum is 60.

The spelling of 18181079438262 in words is "eighteen trillion, one hundred eighty-one billion, seventy-nine million, four hundred thirty-eight thousand, two hundred sixty-two".