18089896318 has 16 divisors (see below), whose sum is σ = 29550482640. Its totient is φ = 8255370816.

The previous prime is 18089896289. The next prime is 18089896387. The reversal of 18089896318 is 81369898081.

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, 3906480 + ... + 3911107.

It is an arithmetic number, because the mean of its divisors is an integer number (1846905165).

Almost surely, 2^18089896318 is an apocalyptic number.

18089896318 is a deficient number, since it is larger than the sum of its proper divisors (11460586322).

18089896318 is a wasteful number, since it uses less digits than its factorization.

18089896318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817691.

The product of its (nonzero) digits is 5971968, while the sum is 61.

The spelling of 18089896318 in words is "eighteen billion, eighty-nine million, eight hundred ninety-six thousand, three hundred eighteen".