18218036075 has 12 divisors (see below), whose sum is σ = 23572555248. Its totient is φ = 13940757600.

The previous prime is 18218036041. The next prime is 18218036087. The reversal of 18218036075 is 57063081281.

It is a de Polignac number, because none of the positive numbers 2^k-18218036075 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 15841196 + ... + 15842345.

It is an arithmetic number, because the mean of its divisors is an integer number (1964379604).

Almost surely, 2^18218036075 is an apocalyptic number.

18218036075 is a deficient number, since it is larger than the sum of its proper divisors (5354519173).

18218036075 is a wasteful number, since it uses less digits than its factorization.

18218036075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31683574 (or 31683569 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 18218036075 in words is "eighteen billion, two hundred eighteen million, thirty-six thousand, seventy-five".