18876664602 has 40 divisors (see below), whose sum is σ = 42807352896. Its totient is φ = 6216407208.

The previous prime is 18876664591. The next prime is 18876664669. The reversal of 18876664602 is 20646667881.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 688498 + ... + 715389.

Almost surely, 2^18876664602 is an apocalyptic number.

18876664602 is an abundant number, since it is smaller than the sum of its proper divisors (23930688294).

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

18876664602 is a wasteful number, since it uses less digits than its factorization.

18876664602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403984 (or 1403975 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 18876664602 in words is "eighteen billion, eight hundred seventy-six million, six hundred sixty-four thousand, six hundred two".