199241167 has 2 divisors, whose sum is σ = 199241168. Its totient is φ = 199241166.

The previous prime is 199241143. The next prime is 199241179. The reversal of 199241167 is 761142991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199241167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199241137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99620583 + 99620584.

It is an arithmetic number, because the mean of its divisors is an integer number (99620584).

Almost surely, 2^199241167 is an apocalyptic number.

199241167 is a deficient number, since it is larger than the sum of its proper divisors (1).

199241167 is an equidigital number, since it uses as much as digits as its factorization.

199241167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The square root of 199241167 is about 14115.2813291128. The cubic root of 199241167 is about 584.0629965429.

The spelling of 199241167 in words is "one hundred ninety-nine million, two hundred forty-one thousand, one hundred sixty-seven".