16716841 has 2 divisors, whose sum is σ = 16716842. Its totient is φ = 16716840.

The previous prime is 16716839. The next prime is 16716857. The reversal of 16716841 is 14861761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14220441 + 2496400 = 3771^2 + 1580^2 .

It is an emirp because it is prime and its reverse (14861761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16716841 - 2¹ = 16716839 is a prime.

Together with 16716839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16716797 and 16716806.

It is not a weakly prime, because it can be changed into another prime (16716811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358420 + 8358421.

It is an arithmetic number, because the mean of its divisors is an integer number (8358421).

Almost surely, 2^16716841 is an apocalyptic number.

It is an amenable number.

16716841 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716841 is an equidigital number, since it uses as much as digits as its factorization.

16716841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 16716841 is about 4088.6233624534. The cubic root of 16716841 is about 255.6925477723.

The spelling of 16716841 in words is "sixteen million, seven hundred sixteen thousand, eight hundred forty-one".