199075568 has 10 divisors (see below), whose sum is σ = 385708944. Its totient is φ = 99537776.

The previous prime is 199075567. The next prime is 199075571. The reversal of 199075568 is 865570991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199075561) 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 as a sum of consecutive naturals, namely, 6221096 + ... + 6221127.

Almost surely, 2^199075568 is an apocalyptic number.

It is an amenable number.

199075568 is a deficient number, since it is larger than the sum of its proper divisors (186633376).

199075568 is a wasteful number, since it uses less digits than its factorization.

199075568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442231 (or 12442225 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 199075568 is about 14109.4141621826. The cubic root of 199075568 is about 583.9011373276.

The spelling of 199075568 in words is "one hundred ninety-nine million, seventy-five thousand, five hundred sixty-eight".