26104456444666 has 16 divisors (see below), whose sum is σ = 40127053455720. Its totient is φ = 12729015256320.

The previous prime is 26104456444639. The next prime is 26104456444733. The reversal of 26104456444666 is 66644465440162.

It can be written as a sum of positive squares in 4 ways, for example, as 25787312890641 + 317143554025 = 5078121^2 + 563155^2 .

It is a super-2 number, since 2×26104456444666² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26104456444666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60608301 + ... + 61037488.

Almost surely, 2^{26104456444666} is an apocalyptic number.

26104456444666 is a deficient number, since it is larger than the sum of its proper divisors (14022597011054).

26104456444666 is a wasteful number, since it uses less digits than its factorization.

26104456444666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121648449.

The product of its (nonzero) digits is 79626240, while the sum is 58.

The spelling of 26104456444666 in words is "twenty-six trillion, one hundred four billion, four hundred fifty-six million, four hundred forty-four thousand, six hundred sixty-six".