18672980568 has 32 divisors (see below), whose sum is σ = 50926311360. Its totient is φ = 5658478880.

The previous prime is 18672980567. The next prime is 18672980581. The reversal of 18672980568 is 86508927681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18672980563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35365230 + ... + 35365757.

It is an arithmetic number, because the mean of its divisors is an integer number (1591447230).

Almost surely, 2^18672980568 is an apocalyptic number.

It is an amenable number.

18672980568 is an abundant number, since it is smaller than the sum of its proper divisors (32253330792).

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

18672980568 is a wasteful number, since it uses less digits than its factorization.

18672980568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70731007 (or 70731003 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 18672980568 in words is "eighteen billion, six hundred seventy-two million, nine hundred eighty thousand, five hundred sixty-eight".