16443041 has 2 divisors, whose sum is σ = 16443042. Its totient is φ = 16443040.

The previous prime is 16443013. The next prime is 16443061. The reversal of 16443041 is 14034461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16443025 + 16 = 4055^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 16443041 - 2¹⁸ = 16180897 is a prime.

It is a super-3 number, since 3×16443041³ (a number of 23 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16442998 and 16443016.

It is not a weakly prime, because it can be changed into another prime (16443001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221520 + 8221521.

It is an arithmetic number, because the mean of its divisors is an integer number (8221521).

Almost surely, 2^16443041 is an apocalyptic number.

It is an amenable number.

16443041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16443041 is an equidigital number, since it uses as much as digits as its factorization.

16443041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 16443041 is about 4055.0019728725. The cubic root of 16443041 is about 254.2888863895.

The spelling of 16443041 in words is "sixteen million, four hundred forty-three thousand, forty-one".