198061944552192 has 576 divisors, whose sum is σ = 641729596032000. Its totient is φ = 52970474962944.

The previous prime is 198061944552181. The next prime is 198061944552203. The reversal of 198061944552192 is 291255449160891.

It is an interprime number because it is at equal distance from previous prime (198061944552181) and next prime (198061944552203).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14118030234 + ... + 14118044262.

It is an arithmetic number, because the mean of its divisors is an integer number (1114113882000).

Almost surely, 2^{198061944552192} is an apocalyptic number.

198061944552192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198061944552192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320864798016000).

198061944552192 is an abundant number, since it is smaller than the sum of its proper divisors (443667651479808).

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

198061944552192 is a wasteful number, since it uses less digits than its factorization.

198061944552192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15716 (or 15702 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 66.

The spelling of 198061944552192 in words is "one hundred ninety-eight trillion, sixty-one billion, nine hundred forty-four million, five hundred fifty-two thousand, one hundred ninety-two".