16706887 has 2 divisors, whose sum is σ = 16706888. Its totient is φ = 16706886.

The previous prime is 16706881. The next prime is 16706891. The reversal of 16706887 is 78860761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16706887 - 2⁷ = 16706759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16706881) 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, 8353443 + 8353444.

It is an arithmetic number, because the mean of its divisors is an integer number (8353444).

Almost surely, 2^16706887 is an apocalyptic number.

16706887 is a deficient number, since it is larger than the sum of its proper divisors (1).

16706887 is an equidigital number, since it uses as much as digits as its factorization.

16706887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 16706887 is about 4087.4059010575. The cubic root of 16706887 is about 255.6417872058.

The spelling of 16706887 in words is "sixteen million, seven hundred six thousand, eight hundred eighty-seven".