198580316904 has 192 divisors, whose sum is σ = 600286982400. Its totient is φ = 60614396928.

The previous prime is 198580316903. The next prime is 198580316917. The reversal of 198580316904 is 409613085891.

198580316904 is a `hidden beast` number, since 198 + 58 + 0 + 316 + 90 + 4 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (198580316903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5007217 + ... + 5046719.

It is an arithmetic number, because the mean of its divisors is an integer number (3126494700).

Almost surely, 2^198580316904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198580316904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300143491200).

198580316904 is an abundant number, since it is smaller than the sum of its proper divisors (401706665496).

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

198580316904 is a wasteful number, since it uses less digits than its factorization.

198580316904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39609 (or 39562 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 198580316904 in words is "one hundred ninety-eight billion, five hundred eighty million, three hundred sixteen thousand, nine hundred four".