198527745968 has 20 divisors (see below), whose sum is σ = 407273832360. Its totient is φ = 93424821504.

The previous prime is 198527745961. The next prime is 198527745971. The reversal of 198527745968 is 869547725891.

It is not an unprimeable number, because it can be changed into a prime (198527745961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364940438 + ... + 364940981.

It is an arithmetic number, because the mean of its divisors is an integer number (20363691618).

Almost surely, 2^198527745968 is an apocalyptic number.

It is an amenable number.

198527745968 is an abundant number, since it is smaller than the sum of its proper divisors (208746086392).

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

198527745968 is a wasteful number, since it uses less digits than its factorization.

198527745968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729881444 (or 729881438 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 71.

The spelling of 198527745968 in words is "one hundred ninety-eight billion, five hundred twenty-seven million, seven hundred forty-five thousand, nine hundred sixty-eight".