199057199 has 8 divisors (see below), whose sum is σ = 229927248. Its totient is φ = 170316160.

The previous prime is 199057193. The next prime is 199057207. The reversal of 199057199 is 991750991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199057199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199057193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532052 + ... + 532425.

It is an arithmetic number, because the mean of its divisors is an integer number (28740906).

Almost surely, 2^199057199 is an apocalyptic number.

199057199 is a deficient number, since it is larger than the sum of its proper divisors (30870049).

199057199 is a wasteful number, since it uses less digits than its factorization.

199057199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064505.

The product of its (nonzero) digits is 229635, while the sum is 50.

The square root of 199057199 is about 14108.7631988066. The cubic root of 199057199 is about 583.8831776319.

The spelling of 199057199 in words is "one hundred ninety-nine million, fifty-seven thousand, one hundred ninety-nine".