160808317 has 2 divisors, whose sum is σ = 160808318. Its totient is φ = 160808316.

The previous prime is 160808309. The next prime is 160808339. The reversal of 160808317 is 713808061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151142436 + 9665881 = 12294^2 + 3109^2 .

It is an emirp because it is prime and its reverse (713808061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160808317 - 2³ = 160808309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160808357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80404158 + 80404159.

It is an arithmetic number, because the mean of its divisors is an integer number (80404159).

Almost surely, 2^160808317 is an apocalyptic number.

It is an amenable number.

160808317 is a deficient number, since it is larger than the sum of its proper divisors (1).

160808317 is an equidigital number, since it uses as much as digits as its factorization.

160808317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 160808317 is about 12681.0219225424. The cubic root of 160808317 is about 543.7962005576.

The spelling of 160808317 in words is "one hundred sixty million, eight hundred eight thousand, three hundred seventeen".