26416016917 has 2 divisors, whose sum is σ = 26416016918. Its totient is φ = 26416016916.

The previous prime is 26416016909. The next prime is 26416016951. The reversal of 26416016917 is 71961061462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26324738001 + 91278916 = 162249^2 + 9554^2 .

It is a cyclic number.

It is not a de Polignac number, because 26416016917 - 2³ = 26416016909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26416016017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13208008458 + 13208008459.

It is an arithmetic number, because the mean of its divisors is an integer number (13208008459).

Almost surely, 2^26416016917 is an apocalyptic number.

It is an amenable number.

26416016917 is a deficient number, since it is larger than the sum of its proper divisors (1).

26416016917 is an equidigital number, since it uses as much as digits as its factorization.

26416016917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 26416016917 in words is "twenty-six billion, four hundred sixteen million, sixteen thousand, nine hundred seventeen".