16385849 has 2 divisors, whose sum is σ = 16385850. Its totient is φ = 16385848.

The previous prime is 16385843. The next prime is 16385891. The reversal of 16385849 is 94858361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16345849 + 40000 = 4043^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 16385849 - 2¹⁶ = 16320313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16385843) 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, 8192924 + 8192925.

It is an arithmetic number, because the mean of its divisors is an integer number (8192925).

Almost surely, 2^16385849 is an apocalyptic number.

It is an amenable number.

16385849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16385849 is an equidigital number, since it uses as much as digits as its factorization.

16385849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 16385849 is about 4047.9437990170. The cubic root of 16385849 is about 253.9937223323.

The spelling of 16385849 in words is "sixteen million, three hundred eighty-five thousand, eight hundred forty-nine".