26616065 has 12 divisors (see below), whose sum is σ = 37154196. Its totient is φ = 18250848.

The previous prime is 26616059. The next prime is 26616089. The reversal of 26616065 is 56061662.

It can be written as a sum of positive squares in 2 ways, for example, as 9443329 + 17172736 = 3073^2 + 4144^2 .

It is not a de Polignac number, because 26616065 - 2⁶ = 26616001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54074 + ... + 54563.

It is an arithmetic number, because the mean of its divisors is an integer number (3096183).

Almost surely, 2^26616065 is an apocalyptic number.

It is an amenable number.

26616065 is a deficient number, since it is larger than the sum of its proper divisors (10538131).

26616065 is a wasteful number, since it uses less digits than its factorization.

26616065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108656 (or 108649 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 26616065 is about 5159.0759831582. The cubic root of 26616065 is about 298.5712246579.

The spelling of 26616065 in words is "twenty-six million, six hundred sixteen thousand, sixty-five".