18568242555942 has 16 divisors (see below), whose sum is σ = 37161459228672. Its totient is φ = 6185251832520.

The previous prime is 18568242555917. The next prime is 18568242555953. The reversal of 18568242555942 is 24955524286581.

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, 1040578534 + ... + 1040596377.

It is an arithmetic number, because the mean of its divisors is an integer number (2322591201792).

Almost surely, 2^{18568242555942} is an apocalyptic number.

18568242555942 is an abundant number, since it is smaller than the sum of its proper divisors (18593216672730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18568242555942 is a wasteful number, since it uses less digits than its factorization.

18568242555942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081176403.

The product of its digits is 276480000, while the sum is 66.

The spelling of 18568242555942 in words is "eighteen trillion, five hundred sixty-eight billion, two hundred forty-two million, five hundred fifty-five thousand, nine hundred forty-two".