198048390144 has 88 divisors (see below), whose sum is σ = 575859550848. Its totient is φ = 60014653440.

The previous prime is 198048390079. The next prime is 198048390149. The reversal of 198048390144 is 441093840891.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198048390149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896612 + ... + 2964195.

Almost surely, 2^198048390144 is an apocalyptic number.

It is an amenable number.

198048390144 is an abundant number, since it is smaller than the sum of its proper divisors (377811160704).

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

198048390144 is a wasteful number, since it uses less digits than its factorization.

198048390144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860841 (or 5860823 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 198048390144 in words is "one hundred ninety-eight billion, forty-eight million, three hundred ninety thousand, one hundred forty-four".