26166313 has 2 divisors, whose sum is σ = 26166314. Its totient is φ = 26166312.

The previous prime is 26166293. The next prime is 26166319. The reversal of 26166313 is 31366162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20820969 + 5345344 = 4563^2 + 2312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26166313 is a prime.

It is not a weakly prime, because it can be changed into another prime (26166319) 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 as a sum of consecutive naturals, namely, 13083156 + 13083157.

It is an arithmetic number, because the mean of its divisors is an integer number (13083157).

Almost surely, 2^26166313 is an apocalyptic number.

It is an amenable number.

26166313 is a deficient number, since it is larger than the sum of its proper divisors (1).

26166313 is an equidigital number, since it uses as much as digits as its factorization.

26166313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 26166313 is about 5115.3018483761. The cubic root of 26166313 is about 296.8799334803.

The spelling of 26166313 in words is "twenty-six million, one hundred sixty-six thousand, three hundred thirteen".