16069 has 2 divisors, whose sum is σ = 16070. Its totient is φ = 16068.

The previous prime is 16067. The next prime is 16073. The reversal of 16069 is 96061.

16069 = T₁₀₂ + T₁₀₃ + T₁₀₄.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12100 + 3969 = 110^2 + 63^2 .

It is a cyclic number.

It is not a de Polignac number, because 16069 - 2¹ = 16067 is a prime.

It is a super-2 number, since 2×16069² = 516425522, which contains 22 as substring.

Together with 16067, it forms a pair of twin primes.

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8034 + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (8035).

2¹⁶⁰⁶⁹ is an apocalyptic number.

16069 is the 104-th centered triangular number.

It is an amenable number.

16069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16069 is an equidigital number, since it uses as much as digits as its factorization.

16069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 16069 is about 126.7635594325. The cubic root of 16069 is about 25.2345917823.

The spelling of 16069 in words is "sixteen thousand, sixty-nine".