198576548816 has 20 divisors (see below), whose sum is σ = 401469979872. Its totient is φ = 94971392736.

The previous prime is 198576548809. The next prime is 198576548857. The reversal of 198576548816 is 618845675891.

198576548816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269804726 + ... + 269805461.

Almost surely, 2^198576548816 is an apocalyptic number.

198576548816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198576548816 is an abundant number, since it is smaller than the sum of its proper divisors (202893431056).

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

198576548816 is a wasteful number, since it uses less digits than its factorization.

198576548816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539610218 (or 539610212 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 68.

The spelling of 198576548816 in words is "one hundred ninety-eight billion, five hundred seventy-six million, five hundred forty-eight thousand, eight hundred sixteen".