165370241 has 2 divisors, whose sum is σ = 165370242. Its totient is φ = 165370240.

The previous prime is 165370157. The next prime is 165370259. The reversal of 165370241 is 142073561.

165370241 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., 159264400 + 6105841 = 12620^2 + 2471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165370241 is a prime.

It is not a weakly prime, because it can be changed into another prime (165370841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82685120 + 82685121.

It is an arithmetic number, because the mean of its divisors is an integer number (82685121).

Almost surely, 2^165370241 is an apocalyptic number.

It is an amenable number.

165370241 is a deficient number, since it is larger than the sum of its proper divisors (1).

165370241 is an equidigital number, since it uses as much as digits as its factorization.

165370241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 165370241 is about 12859.6361146029. The cubic root of 165370241 is about 548.8905912569.

The spelling of 165370241 in words is "one hundred sixty-five million, three hundred seventy thousand, two hundred forty-one".