198172313232 has 80 divisors (see below), whose sum is σ = 542246311872. Its totient is φ = 62150287360.

The previous prime is 198172313219. The next prime is 198172313233. The reversal of 198172313232 is 232313271891.

It is a happy number.

198172313232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198172313233) 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 15 ways as a sum of consecutive naturals, for example, 2416648 + ... + 2497304.

Almost surely, 2^198172313232 is an apocalyptic number.

198172313232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198172313232 is an abundant number, since it is smaller than the sum of its proper divisors (344073998640).

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

198172313232 is a wasteful number, since it uses less digits than its factorization.

198172313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83696 (or 83690 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The spelling of 198172313232 in words is "one hundred ninety-eight billion, one hundred seventy-two million, three hundred thirteen thousand, two hundred thirty-two".