16427856 has 40 divisors (see below), whose sum is σ = 44674720. Its totient is φ = 5187456.

The previous prime is 16427843. The next prime is 16427857. The reversal of 16427856 is 65872461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16427857) 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 in 7 ways as a sum of consecutive naturals, for example, 8095 + ... + 9918.

It is an arithmetic number, because the mean of its divisors is an integer number (1116868).

Almost surely, 2^16427856 is an apocalyptic number.

16427856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16427856 is an abundant number, since it is smaller than the sum of its proper divisors (28246864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16427856 is a wasteful number, since it uses less digits than its factorization.

16427856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18043 (or 18037 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 16427856 is about 4053.1291615245. The cubic root of 16427856 is about 254.2105844501.

The spelling of 16427856 in words is "sixteen million, four hundred twenty-seven thousand, eight hundred fifty-six".