198925056 has 216 divisors, whose sum is σ = 642829824. Its totient is φ = 58644480.

The previous prime is 198925039. The next prime is 198925063. The reversal of 198925056 is 650529891.

198925056 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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1191085 + ... + 1191251.

It is an arithmetic number, because the mean of its divisors is an integer number (2976064).

Almost surely, 2^198925056 is an apocalyptic number.

198925056 is a gapful number since it is divisible by the number (16) 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 198925056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321414912).

198925056 is an abundant number, since it is smaller than the sum of its proper divisors (443904768).

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

198925056 is a wasteful number, since it uses less digits than its factorization.

198925056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 198925056 is about 14104.0794098729. The cubic root of 198925056 is about 583.7539465120.

The spelling of 198925056 in words is "one hundred ninety-eight million, nine hundred twenty-five thousand, fifty-six".