18845709560 has 32 divisors (see below), whose sum is σ = 42420188160. Its totient is φ = 7535200896.

The previous prime is 18845709541. The next prime is 18845709587. The reversal of 18845709560 is 6590754881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977 + ... + 194183.

It is an arithmetic number, because the mean of its divisors is an integer number (1325630880).

Almost surely, 2^18845709560 is an apocalyptic number.

18845709560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18845709560 is an abundant number, since it is smaller than the sum of its proper divisors (23574478600).

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

18845709560 is a wasteful number, since it uses less digits than its factorization.

18845709560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192695 (or 192691 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 18845709560 in words is "eighteen billion, eight hundred forty-five million, seven hundred nine thousand, five hundred sixty".