199346171 has 2 divisors, whose sum is σ = 199346172. Its totient is φ = 199346170.

The previous prime is 199346159. The next prime is 199346201. The reversal of 199346171 is 171643991.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199346171 is a prime.

It is a super-2 number, since 2×199346171² = 79477791784722482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199346101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99673085 + 99673086.

It is an arithmetic number, because the mean of its divisors is an integer number (99673086).

Almost surely, 2^199346171 is an apocalyptic number.

199346171 is a deficient number, since it is larger than the sum of its proper divisors (1).

199346171 is an equidigital number, since it uses as much as digits as its factorization.

199346171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 41.

The square root of 199346171 is about 14119.0003541327. Note that the first 3 decimals coincide. The cubic root of 199346171 is about 584.1655827389.

The spelling of 199346171 in words is "one hundred ninety-nine million, three hundred forty-six thousand, one hundred seventy-one".