26666113 has 8 divisors (see below), whose sum is σ = 27386856. Its totient is φ = 25948800.

The previous prime is 26666111. The next prime is 26666119. The reversal of 26666113 is 31166662.

It can be written as a sum of positive squares in 4 ways, for example, as 788544 + 25877569 = 888^2 + 5087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26666113 - 2¹ = 26666111 is a prime.

It is a super-2 number, since 2×26666113² = 1422163165057538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26666111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24603 + ... + 25663.

It is an arithmetic number, because the mean of its divisors is an integer number (3423357).

Almost surely, 2^26666113 is an apocalyptic number.

It is an amenable number.

26666113 is a deficient number, since it is larger than the sum of its proper divisors (720743).

26666113 is a wasteful number, since it uses less digits than its factorization.

26666113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715.

The product of its digits is 7776, while the sum is 31.

The square root of 26666113 is about 5163.9241861205. The cubic root of 26666113 is about 298.7582487525.

The spelling of 26666113 in words is "twenty-six million, six hundred sixty-six thousand, one hundred thirteen".