198195885528 has 32 divisors (see below), whose sum is σ = 496498887360. Its totient is φ = 65930738720.

The previous prime is 198195885527. The next prime is 198195885541. The reversal of 198195885528 is 825588591891.

198195885528 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 not an unprimeable number, because it can be changed into a prime (198195885527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8397750 + ... + 8421317.

It is an arithmetic number, because the mean of its divisors is an integer number (15515590230).

Almost surely, 2^198195885528 is an apocalyptic number.

It is an amenable number.

198195885528 is an abundant number, since it is smaller than the sum of its proper divisors (298303001832).

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

198195885528 is a wasteful number, since it uses less digits than its factorization.

198195885528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16819567 (or 16819563 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 69.

The spelling of 198195885528 in words is "one hundred ninety-eight billion, one hundred ninety-five million, eight hundred eighty-five thousand, five hundred twenty-eight".