16944043 has 2 divisors, whose sum is σ = 16944044. Its totient is φ = 16944042.

The previous prime is 16944001. The next prime is 16944061. The reversal of 16944043 is 34044961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16944043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16943996 and 16944014.

It is not a weakly prime, because it can be changed into another prime (16944743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8472021 + 8472022.

It is an arithmetic number, because the mean of its divisors is an integer number (8472022).

Almost surely, 2^16944043 is an apocalyptic number.

16944043 is a deficient number, since it is larger than the sum of its proper divisors (1).

16944043 is an equidigital number, since it uses as much as digits as its factorization.

16944043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 16944043 is about 4116.3142494227. The cubic root of 16944043 is about 256.8457289498.

The spelling of 16944043 in words is "sixteen million, nine hundred forty-four thousand, forty-three".