18086768056 has 32 divisors (see below), whose sum is σ = 38821920480. Its totient is φ = 7738560000.

The previous prime is 18086768041. The next prime is 18086768093. The reversal of 18086768056 is 65086768081.

It is a junction number, because it is equal to n+sod(n) for n = 18086767988 and 18086768006.

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, 235045 + ... + 302356.

It is an arithmetic number, because the mean of its divisors is an integer number (1213185015).

Almost surely, 2^18086768056 is an apocalyptic number.

It is an amenable number.

18086768056 is an abundant number, since it is smaller than the sum of its proper divisors (20735152424).

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

18086768056 is a wasteful number, since it uses less digits than its factorization.

18086768056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538015 (or 538011 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 18086768056 in words is "eighteen billion, eighty-six million, seven hundred sixty-eight thousand, fifty-six".