198448280764 has 24 divisors (see below), whose sum is σ = 377354969600. Its totient is φ = 90969499440.

The previous prime is 198448280759. The next prime is 198448280773. The reversal of 198448280764 is 467082844891.

198448280764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42113154 + ... + 42117865.

Almost surely, 2^198448280764 is an apocalyptic number.

It is an amenable number.

198448280764 is a deficient number, since it is larger than the sum of its proper divisors (178906688836).

198448280764 is a wasteful number, since it uses less digits than its factorization.

198448280764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84231073 (or 84231071 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 198448280764 in words is "one hundred ninety-eight billion, four hundred forty-eight million, two hundred eighty thousand, seven hundred sixty-four".