198437010128 has 40 divisors (see below), whose sum is σ = 439441100160. Its totient is φ = 85035749760.

The previous prime is 198437010119. The next prime is 198437010131. The reversal of 198437010128 is 821010734891.

198437010128 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 7 ways as a sum of consecutive naturals, for example, 1078538 + ... + 1249046.

It is an arithmetic number, because the mean of its divisors is an integer number (10986027504).

Almost surely, 2^198437010128 is an apocalyptic number.

It is an amenable number.

198437010128 is an abundant number, since it is smaller than the sum of its proper divisors (241004090032).

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

198437010128 is a wasteful number, since it uses less digits than its factorization.

198437010128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180915 (or 180909 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 198437010128 in words is "one hundred ninety-eight billion, four hundred thirty-seven million, ten thousand, one hundred twenty-eight".