198519886332 has 18 divisors (see below), whose sum is σ = 501814157208. Its totient is φ = 66173295432.

The previous prime is 198519886241. The next prime is 198519886337. The reversal of 198519886332 is 233688915891.

198519886332 is a `hidden beast` number, since 1 + 9 + 8 + 519 + 8 + 86 + 3 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 198519886332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198519886337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2757220608 + ... + 2757220679.

Almost surely, 2^198519886332 is an apocalyptic number.

198519886332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198519886332 is an abundant number, since it is smaller than the sum of its proper divisors (303294270876).

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

198519886332 is a wasteful number, since it uses less digits than its factorization.

198519886332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514441297 (or 5514441292 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The spelling of 198519886332 in words is "one hundred ninety-eight billion, five hundred nineteen million, eight hundred eighty-six thousand, three hundred thirty-two".