16169369 has 2 divisors, whose sum is σ = 16169370. Its totient is φ = 16169368.

The previous prime is 16169359. The next prime is 16169381. The reversal of 16169369 is 96396161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15904144 + 265225 = 3988^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 16169369 - 2⁴ = 16169353 is a prime.

It is a super-2 number, since 2×16169369² = 522896987716322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16169359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8084684 + 8084685.

It is an arithmetic number, because the mean of its divisors is an integer number (8084685).

Almost surely, 2^16169369 is an apocalyptic number.

It is an amenable number.

16169369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16169369 is an equidigital number, since it uses as much as digits as its factorization.

16169369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The square root of 16169369 is about 4021.1153925248. The cubic root of 16169369 is about 252.8702225154.

The spelling of 16169369 in words is "sixteen million, one hundred sixty-nine thousand, three hundred sixty-nine".