26566026406 has 16 divisors (see below), whose sum is σ = 41095226880. Its totient is φ = 12873959560.

The previous prime is 26566026401. The next prime is 26566026449. The reversal of 26566026406 is 60462066562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26566026401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577086 + ... + 1593841.

It is an arithmetic number, because the mean of its divisors is an integer number (2568451680).

Almost surely, 2^26566026406 is an apocalyptic number.

26566026406 is a deficient number, since it is larger than the sum of its proper divisors (14529200474).

26566026406 is a wasteful number, since it uses less digits than its factorization.

26566026406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171059.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 26566026406 in words is "twenty-six billion, five hundred sixty-six million, twenty-six thousand, four hundred six".