16043369 has 2 divisors, whose sum is σ = 16043370. Its totient is φ = 16043368.

The previous prime is 16043347. The next prime is 16043371. The reversal of 16043369 is 96334061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 4787344 = 3355^2 + 2188^2 .

It is a cyclic number.

It is not a de Polignac number, because 16043369 - 2¹⁶ = 15977833 is a prime.

It is a super-2 number, since 2×16043369² = 514779377740322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 16043371, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16043329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8021684 + 8021685.

It is an arithmetic number, because the mean of its divisors is an integer number (8021685).

Almost surely, 2^16043369 is an apocalyptic number.

It is an amenable number.

16043369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16043369 is an equidigital number, since it uses as much as digits as its factorization.

16043369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 16043369 is about 4005.4174563958. The cubic root of 16043369 is about 252.2116775643.

The spelling of 16043369 in words is "sixteen million, forty-three thousand, three hundred sixty-nine".