162344317 has 2 divisors, whose sum is σ = 162344318. Its totient is φ = 162344316.

The previous prime is 162344309. The next prime is 162344321. The reversal of 162344317 is 713443261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162333081 + 11236 = 12741^2 + 106^2 .

It is an emirp because it is prime and its reverse (713443261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162344317 - 2³ = 162344309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162344387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81172158 + 81172159.

It is an arithmetic number, because the mean of its divisors is an integer number (81172159).

Almost surely, 2^162344317 is an apocalyptic number.

It is an amenable number.

162344317 is a deficient number, since it is larger than the sum of its proper divisors (1).

162344317 is an equidigital number, since it uses as much as digits as its factorization.

162344317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 162344317 is about 12741.4409310721. The cubic root of 162344317 is about 545.5221178298.

Adding to 162344317 its reverse (713443261), we get a palindrome (875787578).

The spelling of 162344317 in words is "one hundred sixty-two million, three hundred forty-four thousand, three hundred seventeen".