18500180704 has 12 divisors (see below), whose sum is σ = 36422230824. Its totient is φ = 9250090336.

The previous prime is 18500180653. The next prime is 18500180717. The reversal of 18500180704 is 40708100581.

It is a self number, because there is not a number n which added to its sum of digits gives 18500180704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289065292 + ... + 289065355.

It is an arithmetic number, because the mean of its divisors is an integer number (3035185902).

Almost surely, 2^18500180704 is an apocalyptic number.

It is an amenable number.

18500180704 is a deficient number, since it is larger than the sum of its proper divisors (17922050120).

18500180704 is an equidigital number, since it uses as much as digits as its factorization.

18500180704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578130657 (or 578130649 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The spelling of 18500180704 in words is "eighteen billion, five hundred million, one hundred eighty thousand, seven hundred four".