198559344016 has 40 divisors (see below), whose sum is σ = 420373880064. Its totient is φ = 90105509760.

The previous prime is 198559344007. The next prime is 198559344017. The reversal of 198559344016 is 610443955891.

198559344016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (198559344017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822475 + ... + 1036138.

Almost surely, 2^198559344016 is an apocalyptic number.

198559344016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198559344016 is an abundant number, since it is smaller than the sum of its proper divisors (221814536048).

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

198559344016 is a wasteful number, since it uses less digits than its factorization.

198559344016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859239 (or 1859233 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 198559344016 in words is "one hundred ninety-eight billion, five hundred fifty-nine million, three hundred forty-four thousand, sixteen".