198795596448 has 24 divisors (see below), whose sum is σ = 521838440928. Its totient is φ = 66265198784.

The previous prime is 198795596437. The next prime is 198795596537. The reversal of 198795596448 is 844695597891.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 198795596448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035393636 + ... + 1035393827.

It is an arithmetic number, because the mean of its divisors is an integer number (21743268372).

Almost surely, 2^198795596448 is an apocalyptic number.

It is an amenable number.

198795596448 is an abundant number, since it is smaller than the sum of its proper divisors (323042844480).

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

198795596448 is a wasteful number, since it uses less digits than its factorization.

198795596448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070787476 (or 2070787468 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 75.

The spelling of 198795596448 in words is "one hundred ninety-eight billion, seven hundred ninety-five million, five hundred ninety-six thousand, four hundred forty-eight".