26666055605 has 16 divisors (see below), whose sum is σ = 36574043520. Its totient is φ = 18283568832.

The previous prime is 26666055589. The next prime is 26666055617. The reversal of 26666055605 is 50655066662.

It is a cyclic number.

It is not a de Polignac number, because 26666055605 - 2⁴ = 26666055589 is a prime.

It is a super-2 number, since 2×26666055605² (a number of 22 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 26666055605.

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, 422231 + ... + 481259.

It is an arithmetic number, because the mean of its divisors is an integer number (2285877720).

Almost surely, 2^26666055605 is an apocalyptic number.

It is an amenable number.

26666055605 is a deficient number, since it is larger than the sum of its proper divisors (9907987915).

26666055605 is a wasteful number, since it uses less digits than its factorization.

26666055605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71948.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 26666055605 in words is "twenty-six billion, six hundred sixty-six million, fifty-five thousand, six hundred five".