18612472360 has 16 divisors (see below), whose sum is σ = 41878062900. Its totient is φ = 7444988928.

The previous prime is 18612472327. The next prime is 18612472363. The reversal of 18612472360 is 6327421681.

It can be written as a sum of positive squares in 2 ways, for example, as 16661130084 + 1951342276 = 129078^2 + 44174^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 465311809 = 18612472360 / (1 + 8 + 6 + 1 + 2 + 4 + 7 + 2 + 3 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (18612472363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232655865 + ... + 232655944.

Almost surely, 2^18612472360 is an apocalyptic number.

18612472360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18612472360 is an abundant number, since it is smaller than the sum of its proper divisors (23265590540).

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

18612472360 is a wasteful number, since it uses less digits than its factorization.

18612472360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465311820 (or 465311816 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 18612472360 in words is "eighteen billion, six hundred twelve million, four hundred seventy-two thousand, three hundred sixty".