169069 has 2 divisors, whose sum is σ = 169070. Its totient is φ = 169068.

The previous prime is 169067. The next prime is 169079. The reversal of 169069 is 960961.

169069 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., 131044 + 38025 = 362^2 + 195^2 .

It is an emirp because it is prime and its reverse (960961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169069 - 2¹ = 169067 is a prime.

It is a super-2 number, since 2×169069² = 57168653522, which contains 22 as substring.

Together with 169067, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 169069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84534 + 84535.

It is an arithmetic number, because the mean of its divisors is an integer number (84535).

2¹⁶⁹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

169069 is a deficient number, since it is larger than the sum of its proper divisors (1).

169069 is an equidigital number, since it uses as much as digits as its factorization.

169069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 169069 is about 411.1800092417. The cubic root of 169069 is about 55.2952714811.

The spelling of 169069 in words is "one hundred sixty-nine thousand, sixty-nine".