16775893 has 2 divisors, whose sum is σ = 16775894. Its totient is φ = 16775892.

The previous prime is 16775849. The next prime is 16775897. The reversal of 16775893 is 39857761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10909809 + 5866084 = 3303^2 + 2422^2 .

It is an emirp because it is prime and its reverse (39857761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16775893 - 2¹³ = 16767701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16775897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8387946 + 8387947.

It is an arithmetic number, because the mean of its divisors is an integer number (8387947).

Almost surely, 2^16775893 is an apocalyptic number.

It is an amenable number.

16775893 is a deficient number, since it is larger than the sum of its proper divisors (1).

16775893 is an equidigital number, since it uses as much as digits as its factorization.

16775893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 46.

The square root of 16775893 is about 4095.8384977926. The cubic root of 16775893 is about 255.9932706971.

The spelling of 16775893 in words is "sixteen million, seven hundred seventy-five thousand, eight hundred ninety-three".