195927163 has 2 divisors, whose sum is σ = 195927164. Its totient is φ = 195927162.

The previous prime is 195927157. The next prime is 195927211. The reversal of 195927163 is 361729591.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195927163 is a prime.

It is not a weakly prime, because it can be changed into another prime (195927113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97963581 + 97963582.

It is an arithmetic number, because the mean of its divisors is an integer number (97963582).

Almost surely, 2^195927163 is an apocalyptic number.

195927163 is a deficient number, since it is larger than the sum of its proper divisors (1).

195927163 is an equidigital number, since it uses as much as digits as its factorization.

195927163 is an evil number, because the sum of its binary digits is even.

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

The square root of 195927163 is about 13997.3984368525. The cubic root of 195927163 is about 580.8066095899.

The spelling of 195927163 in words is "one hundred ninety-five million, nine hundred twenty-seven thousand, one hundred sixty-three".