18259000976 has 20 divisors (see below), whose sum is σ = 35387225772. Its totient is φ = 9126813696.

The previous prime is 18259000957. The next prime is 18259000999. The reversal of 18259000976 is 67900095281.

It can be written as a sum of positive squares in 2 ways, for example, as 8560690576 + 9698310400 = 92524^2 + 98480^2 .

It is a super-2 number, since 2×18259000976² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18259000976.

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, 111281 + ... + 221136.

Almost surely, 2^18259000976 is an apocalyptic number.

18259000976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18259000976 is a deficient number, since it is larger than the sum of its proper divisors (17128224796).

18259000976 is a wasteful number, since it uses less digits than its factorization.

18259000976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335858 (or 335852 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 18259000976 in words is "eighteen billion, two hundred fifty-nine million, nine hundred seventy-six", and thus it is an aban number.