198545625755982 has 32 divisors (see below), whose sum is σ = 441223090617600. Its totient is φ = 66180286911384.

The previous prime is 198545625755969. The next prime is 198545625756007. The reversal of 198545625755982 is 289557526545891.

198545625755982 is a `hidden beast` number, since 1 + 9 + 8 + 5 + 4 + 5 + 6 + 2 + 57 + 559 + 8 + 2 = 666.

198545625755982 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41848632 + ... + 46350827.

It is an arithmetic number, because the mean of its divisors is an integer number (13788221581800).

Almost surely, 2^{198545625755982} is an apocalyptic number.

198545625755982 is an abundant number, since it is smaller than the sum of its proper divisors (242677464861618).

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

198545625755982 is a wasteful number, since it uses less digits than its factorization.

198545625755982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88241157 (or 88241151 counting only the distinct ones).

The product of its digits is 10886400000, while the sum is 81.

The spelling of 198545625755982 in words is "one hundred ninety-eight trillion, five hundred forty-five billion, six hundred twenty-five million, seven hundred fifty-five thousand, nine hundred eighty-two".