16409867 has 2 divisors, whose sum is σ = 16409868. Its totient is φ = 16409866.

The previous prime is 16409851. The next prime is 16409891. The reversal of 16409867 is 76890461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16409867 - 2⁴ = 16409851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16409837) 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, 8204933 + 8204934.

It is an arithmetic number, because the mean of its divisors is an integer number (8204934).

Almost surely, 2^16409867 is an apocalyptic number.

16409867 is a deficient number, since it is larger than the sum of its proper divisors (1).

16409867 is an equidigital number, since it uses as much as digits as its factorization.

16409867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 16409867 is about 4050.9094040721. The cubic root of 16409867 is about 254.1177611300.

The spelling of 16409867 in words is "sixteen million, four hundred nine thousand, eight hundred sixty-seven".