165368041 has 2 divisors, whose sum is σ = 165368042. Its totient is φ = 165368040.

The previous prime is 165368029. The next prime is 165368051. The reversal of 165368041 is 140863561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145082025 + 20286016 = 12045^2 + 4504^2 .

It is an emirp because it is prime and its reverse (140863561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165368041 - 2⁵ = 165368009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165367988 and 165368006.

It is not a weakly prime, because it can be changed into another prime (165368051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82684020 + 82684021.

It is an arithmetic number, because the mean of its divisors is an integer number (82684021).

Almost surely, 2^165368041 is an apocalyptic number.

It is an amenable number.

165368041 is a deficient number, since it is larger than the sum of its proper divisors (1).

165368041 is an equidigital number, since it uses as much as digits as its factorization.

165368041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 165368041 is about 12859.5505753506. The cubic root of 165368041 is about 548.8881571941. Note that the first 3 decimals are identical.

The spelling of 165368041 in words is "one hundred sixty-five million, three hundred sixty-eight thousand, forty-one".