199975056 has 20 divisors (see below), whose sum is σ = 516602352. Its totient is φ = 66658336.

The previous prime is 199975043. The next prime is 199975067. The reversal of 199975056 is 650579991.

It is a happy number.

It is an unprimeable number.

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, 2083026 + ... + 2083121.

Almost surely, 2^199975056 is an apocalyptic number.

199975056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199975056 is an abundant number, since it is smaller than the sum of its proper divisors (316627296).

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

199975056 is a wasteful number, since it uses less digits than its factorization.

199975056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166158 (or 4166152 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 51.

The square root of 199975056 is about 14141.2536926540. The cubic root of 199975056 is about 584.7792343989.

The spelling of 199975056 in words is "one hundred ninety-nine million, nine hundred seventy-five thousand, fifty-six".