198555519632 has 80 divisors (see below), whose sum is σ = 408358030080. Its totient is φ = 93405312000.

The previous prime is 198555519593. The next prime is 198555519649. The reversal of 198555519632 is 236915555891.

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, 2183882 + ... + 2272982.

It is an arithmetic number, because the mean of its divisors is an integer number (5104475376).

Almost surely, 2^198555519632 is an apocalyptic number.

It is an amenable number.

198555519632 is an abundant number, since it is smaller than the sum of its proper divisors (209802510448).

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

198555519632 is a wasteful number, since it uses less digits than its factorization.

198555519632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89272 (or 89266 counting only the distinct ones).

The product of its digits is 14580000, while the sum is 59.

The spelling of 198555519632 in words is "one hundred ninety-eight billion, five hundred fifty-five million, five hundred nineteen thousand, six hundred thirty-two".