18154934674 has 32 divisors (see below), whose sum is σ = 28304474112. Its totient is φ = 8724306000.

The previous prime is 18154934653. The next prime is 18154934711. The reversal of 18154934674 is 47643945181.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12208359 + ... + 12209845.

It is an arithmetic number, because the mean of its divisors is an integer number (884514816).

Almost surely, 2^18154934674 is an apocalyptic number.

18154934674 is a deficient number, since it is larger than the sum of its proper divisors (10149539438).

18154934674 is a wasteful number, since it uses less digits than its factorization.

18154934674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742.

The product of its digits is 2903040, while the sum is 52.

The spelling of 18154934674 in words is "eighteen billion, one hundred fifty-four million, nine hundred thirty-four thousand, six hundred seventy-four".