16345169 has 2 divisors, whose sum is σ = 16345170. Its totient is φ = 16345168.

The previous prime is 16345139. The next prime is 16345171. The reversal of 16345169 is 96154361.

16345169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 3564544 = 3575^2 + 1888^2 .

It is a cyclic number.

It is not a de Polignac number, because 16345169 - 2¹⁶ = 16279633 is a prime.

It is a super-2 number, since 2×16345169² = 534329099277122, which contains 22 as substring.

Together with 16345171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16345129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172584 + 8172585.

It is an arithmetic number, because the mean of its divisors is an integer number (8172585).

Almost surely, 2^16345169 is an apocalyptic number.

It is an amenable number.

16345169 is a deficient number, since it is larger than the sum of its proper divisors (1).

16345169 is an equidigital number, since it uses as much as digits as its factorization.

16345169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 16345169 is about 4042.9159031570. The cubic root of 16345169 is about 253.7833573399.

The spelling of 16345169 in words is "sixteen million, three hundred forty-five thousand, one hundred sixty-nine".