165469 has 2 divisors, whose sum is σ = 165470. Its totient is φ = 165468.

The previous prime is 165463. The next prime is 165479. The reversal of 165469 is 964561.

165469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164025 + 1444 = 405^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 165469 - 2⁵ = 165437 is a prime.

It is a super-2 number, since 2×165469² = 54759979922, which contains 22 as substring.

165469 is a lucky number.

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 165469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82734 + 82735.

It is an arithmetic number, because the mean of its divisors is an integer number (82735).

2¹⁶⁵⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

165469 is a deficient number, since it is larger than the sum of its proper divisors (1).

165469 is an equidigital number, since it uses as much as digits as its factorization.

165469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 165469 is about 406.7788096743. The cubic root of 165469 is about 54.8999835214.

The spelling of 165469 in words is "one hundred sixty-five thousand, four hundred sixty-nine".