18168714974 has 32 divisors (see below), whose sum is σ = 27822009600. Its totient is φ = 8896668480.

The previous prime is 18168714961. The next prime is 18168714989. The reversal of 18168714974 is 47941786181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17829437 + ... + 17830455.

It is an arithmetic number, because the mean of its divisors is an integer number (869437800).

Almost surely, 2^18168714974 is an apocalyptic number.

18168714974 is a deficient number, since it is larger than the sum of its proper divisors (9653294626).

18168714974 is a wasteful number, since it uses less digits than its factorization.

18168714974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808.

The product of its digits is 2709504, while the sum is 56.

The spelling of 18168714974 in words is "eighteen billion, one hundred sixty-eight million, seven hundred fourteen thousand, nine hundred seventy-four".