163120337 has 2 divisors, whose sum is σ = 163120338. Its totient is φ = 163120336.

The previous prime is 163120327. The next prime is 163120343. The reversal of 163120337 is 733021361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106584976 + 56535361 = 10324^2 + 7519^2 .

It is an emirp because it is prime and its reverse (733021361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163120337 - 2⁸ = 163120081 is a prime.

It is not a weakly prime, because it can be changed into another prime (163120327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81560168 + 81560169.

It is an arithmetic number, because the mean of its divisors is an integer number (81560169).

Almost surely, 2^163120337 is an apocalyptic number.

It is an amenable number.

163120337 is a deficient number, since it is larger than the sum of its proper divisors (1).

163120337 is an equidigital number, since it uses as much as digits as its factorization.

163120337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 163120337 is about 12771.8572259480. The cubic root of 163120337 is about 546.3899509627.

Adding to 163120337 its reverse (733021361), we get a palindrome (896141698).

The spelling of 163120337 in words is "one hundred sixty-three million, one hundred twenty thousand, three hundred thirty-seven".