26656816 has 40 divisors (see below), whose sum is σ = 57076704. Its totient is φ = 11996160.

The previous prime is 26656801. The next prime is 26656843. The reversal of 26656816 is 61865662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4126 + ... + 8386.

Almost surely, 2^26656816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26656816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28538352).

26656816 is an abundant number, since it is smaller than the sum of its proper divisors (30419888).

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

26656816 is a wasteful number, since it uses less digits than its factorization.

26656816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309 (or 4303 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 26656816 is about 5163.0239201460. The cubic root of 26656816 is about 298.7235245528.

It can be divided in two parts, 26656 and 816, that added together give a palindrome (27472).

The spelling of 26656816 in words is "twenty-six million, six hundred fifty-six thousand, eight hundred sixteen".