199113163 has 4 divisors (see below), whose sum is σ = 210825720. Its totient is φ = 187400608.

The previous prime is 199113137. The next prime is 199113193. The reversal of 199113163 is 361311991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361311991 = 23 ⋅15709217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199113163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199113193) 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, 5856253 + ... + 5856286.

It is an arithmetic number, because the mean of its divisors is an integer number (52706430).

Almost surely, 2^199113163 is an apocalyptic number.

199113163 is a deficient number, since it is larger than the sum of its proper divisors (11712557).

199113163 is a wasteful number, since it uses less digits than its factorization.

199113163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11712556.

The product of its digits is 4374, while the sum is 34.

The square root of 199113163 is about 14110.7463658022. The cubic root of 199113163 is about 583.9378911791.

The spelling of 199113163 in words is "one hundred ninety-nine million, one hundred thirteen thousand, one hundred sixty-three".