163344017 has 2 divisors, whose sum is σ = 163344018. Its totient is φ = 163344016.

The previous prime is 163343989. The next prime is 163344019. The reversal of 163344017 is 710443361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154157056 + 9186961 = 12416^2 + 3031^2 .

It is a cyclic number.

It is not a de Polignac number, because 163344017 - 2¹² = 163339921 is a prime.

Together with 163344019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163344019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81672008 + 81672009.

It is an arithmetic number, because the mean of its divisors is an integer number (81672009).

Almost surely, 2^163344017 is an apocalyptic number.

It is an amenable number.

163344017 is a deficient number, since it is larger than the sum of its proper divisors (1).

163344017 is an equidigital number, since it uses as much as digits as its factorization.

163344017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 163344017 is about 12780.6109791355. The cubic root of 163344017 is about 546.6395840159.

Adding to 163344017 its reverse (710443361), we get a palindrome (873787378).

The spelling of 163344017 in words is "one hundred sixty-three million, three hundred forty-four thousand, seventeen".