18746486560 has 48 divisors (see below), whose sum is σ = 44560345536. Its totient is φ = 7452580608.

The previous prime is 18746486557. The next prime is 18746486587. The reversal of 18746486560 is 6568464781.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333324 + ... + 385483.

It is an arithmetic number, because the mean of its divisors is an integer number (928340532).

Almost surely, 2^18746486560 is an apocalyptic number.

18746486560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18746486560 is an abundant number, since it is smaller than the sum of its proper divisors (25813858976).

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

18746486560 is a wasteful number, since it uses less digits than its factorization.

18746486560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718985 (or 718977 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 18746486560 in words is "eighteen billion, seven hundred forty-six million, four hundred eighty-six thousand, five hundred sixty".