198605204004 has 48 divisors (see below), whose sum is σ = 478426812416. Its totient is φ = 64057370400.

The previous prime is 198605203981. The next prime is 198605204051. The reversal of 198605204004 is 400402506891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3005439 + ... + 3070809.

Almost surely, 2^198605204004 is an apocalyptic number.

It is an amenable number.

198605204004 is an abundant number, since it is smaller than the sum of its proper divisors (279821608412).

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

198605204004 is a wasteful number, since it uses less digits than its factorization.

198605204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73576 (or 73574 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 198605204004 in words is "one hundred ninety-eight billion, six hundred five million, two hundred four thousand, four".