18208737074 has 16 divisors (see below), whose sum is σ = 29809515456. Its totient is φ = 8272976400.

The previous prime is 18208737067. The next prime is 18208737089. The reversal of 18208737074 is 47073780281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135782 + ... + 234209.

It is an arithmetic number, because the mean of its divisors is an integer number (1863094716).

Almost surely, 2^18208737074 is an apocalyptic number.

18208737074 is a deficient number, since it is larger than the sum of its proper divisors (11600778382).

18208737074 is a wasteful number, since it uses less digits than its factorization.

18208737074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372241.

The product of its (nonzero) digits is 526848, while the sum is 47.

The spelling of 18208737074 in words is "eighteen billion, two hundred eight million, seven hundred thirty-seven thousand, seventy-four".