26444161 has 2 divisors, whose sum is σ = 26444162. Its totient is φ = 26444160.

The previous prime is 26444149. The next prime is 26444179. The reversal of 26444161 is 16144462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25553025 + 891136 = 5055^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 26444161 - 2¹⁵ = 26411393 is a prime.

It is not a weakly prime, because it can be changed into another prime (26444461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13222080 + 13222081.

It is an arithmetic number, because the mean of its divisors is an integer number (13222081).

Almost surely, 2^26444161 is an apocalyptic number.

It is an amenable number.

26444161 is a deficient number, since it is larger than the sum of its proper divisors (1).

26444161 is an equidigital number, since it uses as much as digits as its factorization.

26444161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 26444161 is about 5142.3886473117. The cubic root of 26444161 is about 297.9270462378.

The spelling of 26444161 in words is "twenty-six million, four hundred forty-four thousand, one hundred sixty-one".