16287863 has 2 divisors, whose sum is σ = 16287864. Its totient is φ = 16287862.

The previous prime is 16287851. The next prime is 16287893. The reversal of 16287863 is 36878261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16287863 - 2⁴ = 16287847 is a prime.

It is a super-2 number, since 2×16287863² = 530588962213538, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16287863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16287893) 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, 8143931 + 8143932.

It is an arithmetic number, because the mean of its divisors is an integer number (8143932).

Almost surely, 2^16287863 is an apocalyptic number.

16287863 is a deficient number, since it is larger than the sum of its proper divisors (1).

16287863 is an equidigital number, since it uses as much as digits as its factorization.

16287863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 16287863 is about 4035.8224688408. The cubic root of 16287863 is about 253.4864227433.

The spelling of 16287863 in words is "sixteen million, two hundred eighty-seven thousand, eight hundred sixty-three".