199566201 has 8 divisors (see below), whose sum is σ = 266229504. Its totient is φ = 132973520.

The previous prime is 199566181. The next prime is 199566221. The reversal of 199566201 is 102665991.

It is an interprime number because it is at equal distance from previous prime (199566181) and next prime (199566221).

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

It is a cyclic number.

It is not a de Polignac number, because 199566201 - 2⁶ = 199566137 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 199566201.

It is not an unprimeable number, because it can be changed into a prime (199566221) 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, 10665 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (33278688).

Almost surely, 2^199566201 is an apocalyptic number.

It is an amenable number.

199566201 is a deficient number, since it is larger than the sum of its proper divisors (66663303).

199566201 is a wasteful number, since it uses less digits than its factorization.

199566201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35311.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 199566201 is about 14126.7901874417. The cubic root of 199566201 is about 584.3804295910.

The spelling of 199566201 in words is "one hundred ninety-nine million, five hundred sixty-six thousand, two hundred one".