163019117 has 2 divisors, whose sum is σ = 163019118. Its totient is φ = 163019116.

The previous prime is 163019113. The next prime is 163019119. The reversal of 163019117 is 711910361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94692361 + 68326756 = 9731^2 + 8266^2 .

It is a cyclic number.

It is not a de Polignac number, because 163019117 - 2² = 163019113 is a prime.

Together with 163019119, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163019117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163019113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81509558 + 81509559.

It is an arithmetic number, because the mean of its divisors is an integer number (81509559).

Almost surely, 2^163019117 is an apocalyptic number.

It is an amenable number.

163019117 is a deficient number, since it is larger than the sum of its proper divisors (1).

163019117 is an equidigital number, since it uses as much as digits as its factorization.

163019117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 163019117 is about 12767.8939923544. The cubic root of 163019117 is about 546.2769116461.

Adding to 163019117 its reverse (711910361), we get a palindrome (874929478).

The spelling of 163019117 in words is "one hundred sixty-three million, nineteen thousand, one hundred seventeen".