165059 has 2 divisors, whose sum is σ = 165060. Its totient is φ = 165058.

The previous prime is 165049. The next prime is 165079. The reversal of 165059 is 950561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165059 - 2¹⁶ = 99523 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 165059.

It is not a weakly prime, because it can be changed into another prime (165049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82529 + 82530.

It is an arithmetic number, because the mean of its divisors is an integer number (82530).

2¹⁶⁵⁰⁵⁹ is an apocalyptic number.

165059 is a deficient number, since it is larger than the sum of its proper divisors (1).

165059 is an equidigital number, since it uses as much as digits as its factorization.

165059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 165059 is about 406.2745377205. The cubic root of 165059 is about 54.8546021915.

The spelling of 165059 in words is "one hundred sixty-five thousand, fifty-nine".