198376568 has 32 divisors (see below), whose sum is σ = 421654800. Its totient is φ = 86738688.

The previous prime is 198376567. The next prime is 198376589. The reversal of 198376568 is 865673891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198376561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48221 + ... + 52172.

Almost surely, 2^198376568 is an apocalyptic number.

It is an amenable number.

198376568 is an abundant number, since it is smaller than the sum of its proper divisors (223278232).

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

198376568 is a wasteful number, since it uses less digits than its factorization.

198376568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100431 (or 100427 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 198376568 is about 14084.6216846602. The cubic root of 198376568 is about 583.2169322755.

The spelling of 198376568 in words is "one hundred ninety-eight million, three hundred seventy-six thousand, five hundred sixty-eight".