26566009136 has 20 divisors (see below), whose sum is σ = 51562120200. Its totient is φ = 13259655552.

The previous prime is 26566009103. The next prime is 26566009187. The reversal of 26566009136 is 63190066562.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449926 + ... + 1468133.

It is an arithmetic number, because the mean of its divisors is an integer number (2578106010).

Almost surely, 2^26566009136 is an apocalyptic number.

It is an amenable number.

26566009136 is a deficient number, since it is larger than the sum of its proper divisors (24996111064).

26566009136 is a wasteful number, since it uses less digits than its factorization.

26566009136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918636 (or 2918630 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 26566009136 in words is "twenty-six billion, five hundred sixty-six million, nine thousand, one hundred thirty-six".