199257163 has 4 divisors (see below), whose sum is σ = 227722480. Its totient is φ = 170791848.

The previous prime is 199257151. The next prime is 199257167. The reversal of 199257163 is 361752991.

199257163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361752991 = 2239 ⋅161569.

It is a cyclic number.

It is not a de Polignac number, because 199257163 - 2¹⁷ = 199126091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199257167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14232648 + ... + 14232661.

It is an arithmetic number, because the mean of its divisors is an integer number (56930620).

Almost surely, 2^199257163 is an apocalyptic number.

199257163 is a deficient number, since it is larger than the sum of its proper divisors (28465317).

199257163 is an equidigital number, since it uses as much as digits as its factorization.

199257163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28465316.

The product of its digits is 102060, while the sum is 43.

The square root of 199257163 is about 14115.8479376905. The cubic root of 199257163 is about 584.0786265485.

The spelling of 199257163 in words is "one hundred ninety-nine million, two hundred fifty-seven thousand, one hundred sixty-three".