18530676580 has 48 divisors (see below), whose sum is σ = 42209415360. Its totient is φ = 6792859008.

The previous prime is 18530676557. The next prime is 18530676599. The reversal of 18530676580 is 8567603581.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220234 + ... + 292513.

It is an arithmetic number, because the mean of its divisors is an integer number (879362820).

Almost surely, 2^18530676580 is an apocalyptic number.

18530676580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18530676580 is an abundant number, since it is smaller than the sum of its proper divisors (23678738780).

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

18530676580 is a wasteful number, since it uses less digits than its factorization.

18530676580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512908 (or 512906 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 18530676580 in words is "eighteen billion, five hundred thirty million, six hundred seventy-six thousand, five hundred eighty".