16366841 has 2 divisors, whose sum is σ = 16366842. Its totient is φ = 16366840.

The previous prime is 16366837. The next prime is 16366891. The reversal of 16366841 is 14866361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 4116841 = 3500^2 + 2029^2 .

It is an emirp because it is prime and its reverse (14866361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16366841 - 2² = 16366837 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16366811) 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, 8183420 + 8183421.

It is an arithmetic number, because the mean of its divisors is an integer number (8183421).

Almost surely, 2^16366841 is an apocalyptic number.

It is an amenable number.

16366841 is a deficient number, since it is larger than the sum of its proper divisors (1).

16366841 is an equidigital number, since it uses as much as digits as its factorization.

16366841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 16366841 is about 4045.5952590441. The cubic root of 16366841 is about 253.8954712802.

The spelling of 16366841 in words is "sixteen million, three hundred sixty-six thousand, eight hundred forty-one".