18886466604 has 24 divisors (see below), whose sum is σ = 44070648048. Its totient is φ = 6295170880.

The previous prime is 18886466581. The next prime is 18886466609. The reversal of 18886466604 is 40666468881.

It is not an unprimeable number, because it can be changed into a prime (18886466609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426214 + ... + 468434.

It is an arithmetic number, because the mean of its divisors is an integer number (1836277002).

Almost surely, 2^18886466604 is an apocalyptic number.

It is an amenable number.

18886466604 is an abundant number, since it is smaller than the sum of its proper divisors (25184181444).

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

18886466604 is a wasteful number, since it uses less digits than its factorization.

18886466604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79505 (or 79503 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 57.

The spelling of 18886466604 in words is "eighteen billion, eight hundred eighty-six million, four hundred sixty-six thousand, six hundred four".