18190818042874 has 16 divisors (see below), whose sum is σ = 27382502004480. Its totient is φ = 9063324513360.

The previous prime is 18190818042863. The next prime is 18190818042919. The reversal of 18190818042874 is 47824081809181.

It is a super-2 number, since 2×18190818042874² (a number of 27 digits) contains 22 as substring.

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, 3329179 + ... + 6889489.

It is an arithmetic number, because the mean of its divisors is an integer number (1711406375280).

Almost surely, 2^{18190818042874} is an apocalyptic number.

18190818042874 is a deficient number, since it is larger than the sum of its proper divisors (9191683961606).

18190818042874 is a wasteful number, since it uses less digits than its factorization.

18190818042874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569325.

The product of its (nonzero) digits is 8257536, while the sum is 61.

The spelling of 18190818042874 in words is "eighteen trillion, one hundred ninety billion, eight hundred eighteen million, forty-two thousand, eight hundred seventy-four".