18162857075 has 24 divisors (see below), whose sum is σ = 25140789696. Its totient is φ = 12902148000.

The previous prime is 18162857071. The next prime is 18162857159. The reversal of 18162857075 is 57075826181.

It is not a de Polignac number, because 18162857075 - 2² = 18162857071 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (18162857071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756161 + ... + 779810.

It is an arithmetic number, because the mean of its divisors is an integer number (1047532904).

Almost surely, 2^18162857075 is an apocalyptic number.

18162857075 is a deficient number, since it is larger than the sum of its proper divisors (6977932621).

18162857075 is a wasteful number, since it uses less digits than its factorization.

18162857075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536035 (or 1536030 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 50.

The spelling of 18162857075 in words is "eighteen billion, one hundred sixty-two million, eight hundred fifty-seven thousand, seventy-five".