198376852608 has 384 divisors, whose sum is σ = 662308358400. Its totient is φ = 56326717440.

The previous prime is 198376852603. The next prime is 198376852631. The reversal of 198376852608 is 806258673891.

198376852608 is a `hidden beast` number, since 19 + 8 + 3 + 7 + 6 + 8 + 5 + 2 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (198376852603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51484410 + ... + 51488262.

It is an arithmetic number, because the mean of its divisors is an integer number (1724761350).

Almost surely, 2^198376852608 is an apocalyptic number.

198376852608 is a gapful number since it is divisible by the number (18) 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 198376852608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331154179200).

198376852608 is an abundant number, since it is smaller than the sum of its proper divisors (463931505792).

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

198376852608 is a wasteful number, since it uses less digits than its factorization.

198376852608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4125 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 198376852608 in words is "one hundred ninety-eight billion, three hundred seventy-six million, eight hundred fifty-two thousand, six hundred eight".