198249561080 has 32 divisors (see below), whose sum is σ = 446189310000. Its totient is φ = 79277104896.

The previous prime is 198249561077. The next prime is 198249561101. The reversal of 198249561080 is 80165942891.

198249561080 is digitally balanced in base 2 and base 3, 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 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, 568277 + ... + 848196.

Almost surely, 2^198249561080 is an apocalyptic number.

198249561080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198249561080 is an abundant number, since it is smaller than the sum of its proper divisors (247939748920).

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

198249561080 is a wasteful number, since it uses less digits than its factorization.

198249561080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419983 (or 1419979 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 198249561080 in words is "one hundred ninety-eight billion, two hundred forty-nine million, five hundred sixty-one thousand, eighty".