26086768566 has 32 divisors (see below), whose sum is σ = 55640027520. Its totient is φ = 8125201536.

The previous prime is 26086768559. The next prime is 26086768577. The reversal of 26086768566 is 66586768062.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905796 + ... + 934151.

It is an arithmetic number, because the mean of its divisors is an integer number (1738750860).

Almost surely, 2^26086768566 is an apocalyptic number.

26086768566 is an abundant number, since it is smaller than the sum of its proper divisors (29553258954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26086768566 is a wasteful number, since it uses less digits than its factorization.

26086768566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840108.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 26086768566 in words is "twenty-six billion, eighty-six million, seven hundred sixty-eight thousand, five hundred sixty-six".