18286782832 has 20 divisors (see below), whose sum is σ = 35709627136. Its totient is φ = 9071395200.

The previous prime is 18286782827. The next prime is 18286782859. The reversal of 18286782832 is 23828768281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4497669 + ... + 4501732.

Almost surely, 2^18286782832 is an apocalyptic number.

It is an amenable number.

18286782832 is a deficient number, since it is larger than the sum of its proper divisors (17422844304).

18286782832 is a wasteful number, since it uses less digits than its factorization.

18286782832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8999536 (or 8999530 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 55.

The spelling of 18286782832 in words is "eighteen billion, two hundred eighty-six million, seven hundred eighty-two thousand, eight hundred thirty-two".