16675543 has 2 divisors, whose sum is σ = 16675544. Its totient is φ = 16675542.

The previous prime is 16675537. The next prime is 16675573. The reversal of 16675543 is 34557661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16675543 - 2⁵ = 16675511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16675573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8337771 + 8337772.

It is an arithmetic number, because the mean of its divisors is an integer number (8337772).

Almost surely, 2^16675543 is an apocalyptic number.

16675543 is a deficient number, since it is larger than the sum of its proper divisors (1).

16675543 is an equidigital number, since it uses as much as digits as its factorization.

16675543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 16675543 is about 4083.5698843047. The cubic root of 16675543 is about 255.4818162030.

The spelling of 16675543 in words is "sixteen million, six hundred seventy-five thousand, five hundred forty-three".