198908310132 has 216 divisors, whose sum is σ = 616279503840. Its totient is φ = 53786436480.

The previous prime is 198908310089. The next prime is 198908310173. The reversal of 198908310132 is 231013809891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43266858 + ... + 43271454.

Almost surely, 2^198908310132 is an apocalyptic number.

198908310132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198908310132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308139751920).

198908310132 is an abundant number, since it is smaller than the sum of its proper divisors (417371193708).

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

198908310132 is a wasteful number, since it uses less digits than its factorization.

198908310132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931 (or 5919 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 198908310132 in words is "one hundred ninety-eight billion, nine hundred eight million, three hundred ten thousand, one hundred thirty-two".