16416287 has 2 divisors, whose sum is σ = 16416288. Its totient is φ = 16416286.

The previous prime is 16416241. The next prime is 16416289. The reversal of 16416287 is 78261461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16416287 - 2¹⁰ = 16415263 is a prime.

Together with 16416289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16416289) 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, 8208143 + 8208144.

It is an arithmetic number, because the mean of its divisors is an integer number (8208144).

Almost surely, 2^16416287 is an apocalyptic number.

16416287 is a deficient number, since it is larger than the sum of its proper divisors (1).

16416287 is an equidigital number, since it uses as much as digits as its factorization.

16416287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 16416287 is about 4051.7017412440. The cubic root of 16416287 is about 254.1508961399.

The spelling of 16416287 in words is "sixteen million, four hundred sixteen thousand, two hundred eighty-seven".