18012250768 has 20 divisors (see below), whose sum is σ = 34902484848. Its totient is φ = 9005157920.

The previous prime is 18012250747. The next prime is 18012250769. The reversal of 18012250768 is 86705221081.

It is a self number, because there is not a number n which added to its sum of digits gives 18012250768.

It is not an unprimeable number, because it can be changed into a prime (18012250769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107223 + ... + 217993.

Almost surely, 2^18012250768 is an apocalyptic number.

It is an amenable number.

18012250768 is a deficient number, since it is larger than the sum of its proper divisors (16890234080).

18012250768 is a wasteful number, since it uses less digits than its factorization.

18012250768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120942 (or 120936 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 18012250768 in words is "eighteen billion, twelve million, two hundred fifty thousand, seven hundred sixty-eight".