16680341 has 2 divisors, whose sum is σ = 16680342. Its totient is φ = 16680340.

The previous prime is 16680331. The next prime is 16680371. The reversal of 16680341 is 14308661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13476241 + 3204100 = 3671^2 + 1790^2 .

It is an emirp because it is prime and its reverse (14308661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16680341 - 2¹⁸ = 16418197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16680311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8340170 + 8340171.

It is an arithmetic number, because the mean of its divisors is an integer number (8340171).

Almost surely, 2^16680341 is an apocalyptic number.

It is an amenable number.

16680341 is a deficient number, since it is larger than the sum of its proper divisors (1).

16680341 is an equidigital number, since it uses as much as digits as its factorization.

16680341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 16680341 is about 4084.1573182237. The cubic root of 16680341 is about 255.5063168386.

The spelling of 16680341 in words is "sixteen million, six hundred eighty thousand, three hundred forty-one".