198116768 has 24 divisors (see below), whose sum is σ = 391805568. Its totient is φ = 98610624.

The previous prime is 198116761. The next prime is 198116773. The reversal of 198116768 is 867611891.

It is not an unprimeable number, because it can be changed into a prime (198116761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6746 + ... + 21017.

It is an arithmetic number, because the mean of its divisors is an integer number (16325232).

Almost surely, 2^198116768 is an apocalyptic number.

It is an amenable number.

198116768 is a deficient number, since it is larger than the sum of its proper divisors (193688800).

198116768 is a wasteful number, since it uses less digits than its factorization.

198116768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27996 (or 27988 counting only the distinct ones).

The product of its digits is 145152, while the sum is 47.

The square root of 198116768 is about 14075.3958381283. The cubic root of 198116768 is about 582.9622214937.

The spelling of 198116768 in words is "one hundred ninety-eight million, one hundred sixteen thousand, seven hundred sixty-eight".