18845916562 has 8 divisors (see below), whose sum is σ = 30838772592. Its totient is φ = 8566325700.

The previous prime is 18845916449. The next prime is 18845916563. The reversal of 18845916562 is 26561954881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18845916563) 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, 428316264 + ... + 428316307.

It is an arithmetic number, because the mean of its divisors is an integer number (3854846574).

Almost surely, 2^18845916562 is an apocalyptic number.

18845916562 is a deficient number, since it is larger than the sum of its proper divisors (11992856030).

18845916562 is a wasteful number, since it uses less digits than its factorization.

18845916562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856632584.

The product of its digits is 4147200, while the sum is 55.

The spelling of 18845916562 in words is "eighteen billion, eight hundred forty-five million, nine hundred sixteen thousand, five hundred sixty-two".