198261047232 has 84 divisors (see below), whose sum is σ = 568355323536. Its totient is φ = 66078197760.

The previous prime is 198261047189. The next prime is 198261047233. The reversal of 198261047232 is 232740162891.

198261047232 is a `hidden beast` number, since 1 + 9 + 8 + 2 + 610 + 4 + 7 + 23 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198261047233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5414008 + ... + 5450504.

It is an arithmetic number, because the mean of its divisors is an integer number (6766134804).

Almost surely, 2^198261047232 is an apocalyptic number.

198261047232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198261047232 is an abundant number, since it is smaller than the sum of its proper divisors (370094276304).

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

198261047232 is a wasteful number, since it uses less digits than its factorization.

198261047232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45946 (or 45933 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 198261047232 in words is "one hundred ninety-eight billion, two hundred sixty-one million, forty-seven thousand, two hundred thirty-two".