198096970128 has 20 divisors (see below), whose sum is σ = 511750506288. Its totient is φ = 66032323360.

The previous prime is 198096970109. The next prime is 198096970139. The reversal of 198096970128 is 821079690891.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063510058 + ... + 2063510153.

Almost surely, 2^198096970128 is an apocalyptic number.

It is an amenable number.

198096970128 is an abundant number, since it is smaller than the sum of its proper divisors (313653536160).

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

198096970128 is a wasteful number, since it uses less digits than its factorization.

198096970128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127020222 (or 4127020216 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 60.

The spelling of 198096970128 in words is "one hundred ninety-eight billion, ninety-six million, nine hundred seventy thousand, one hundred twenty-eight".