165210337 has 2 divisors, whose sum is σ = 165210338. Its totient is φ = 165210336.

The previous prime is 165210323. The next prime is 165210349. The reversal of 165210337 is 733012561.

165210337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158533281 + 6677056 = 12591^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 165210337 - 2⁷ = 165210209 is a prime.

It is not a weakly prime, because it can be changed into another prime (165210317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82605168 + 82605169.

It is an arithmetic number, because the mean of its divisors is an integer number (82605169).

Almost surely, 2^165210337 is an apocalyptic number.

It is an amenable number.

165210337 is a deficient number, since it is larger than the sum of its proper divisors (1).

165210337 is an equidigital number, since it uses as much as digits as its factorization.

165210337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 165210337 is about 12853.4173276993. The cubic root of 165210337 is about 548.7136184527.

Adding to 165210337 its reverse (733012561), we get a palindrome (898222898).

The spelling of 165210337 in words is "one hundred sixty-five million, two hundred ten thousand, three hundred thirty-seven".