26816 has 14 divisors (see below), whose sum is σ = 53340. Its totient is φ = 13376.
The previous prime is 26813. The next prime is 26821. The reversal of 26816 is 61862.
26816 is nontrivially palindromic in base 5.
It is a nialpdrome in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 26791 and 26800.
It is not an unprimeable number, because it can be changed into a prime (26813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146 + ... + 273.
It is an arithmetic number, because the mean of its divisors is an integer number (3810).
226816 is an apocalyptic number.
It is an amenable number.
26816 is a deficient number, since it is larger than the sum of its proper divisors (26524).
26816 is an equidigital number, since it uses as much as digits as its factorization.
26816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431 (or 421 counting only the distinct ones).
The product of its digits is 576, while the sum is 23.
The square root of 26816 is about 163.7559159237. The cubic root of 26816 is about 29.9316964574.
The spelling of 26816 in words is "twenty-six thousand, eight hundred sixteen".
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