16432943 has 2 divisors, whose sum is σ = 16432944. Its totient is φ = 16432942.

The previous prime is 16432919. The next prime is 16432979. The reversal of 16432943 is 34923461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16432943 - 2²⁰ = 15384367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16432903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216471 + 8216472.

It is an arithmetic number, because the mean of its divisors is an integer number (8216472).

Almost surely, 2^16432943 is an apocalyptic number.

16432943 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432943 is an equidigital number, since it uses as much as digits as its factorization.

16432943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 16432943 is about 4053.7566527852. The cubic root of 16432943 is about 254.2368211014.

The spelling of 16432943 in words is "sixteen million, four hundred thirty-two thousand, nine hundred forty-three".