165350069 has 2 divisors, whose sum is σ = 165350070. Its totient is φ = 165350068.

The previous prime is 165350047. The next prime is 165350099. The reversal of 165350069 is 960053561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155925169 + 9424900 = 12487^2 + 3070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165350069 is a prime.

It is a super-2 number, since 2×165350069² = 54681290636609522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165350039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82675034 + 82675035.

It is an arithmetic number, because the mean of its divisors is an integer number (82675035).

Almost surely, 2^165350069 is an apocalyptic number.

It is an amenable number.

165350069 is a deficient number, since it is larger than the sum of its proper divisors (1).

165350069 is an equidigital number, since it uses as much as digits as its factorization.

165350069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 165350069 is about 12858.8517761113. The cubic root of 165350069 is about 548.8682723053.

The spelling of 165350069 in words is "one hundred sixty-five million, three hundred fifty thousand, sixty-nine".