26536664854378 has 16 divisors (see below), whose sum is σ = 45494027029440. Its totient is φ = 11372205974976.

The previous prime is 26536664854331. The next prime is 26536664854379. The reversal of 26536664854378 is 87345846663562.

It is a self number, because there is not a number n which added to its sum of digits gives 26536664854378.

It is not an unprimeable number, because it can be changed into a prime (26536664854379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53945676 + ... + 54435367.

It is an arithmetic number, because the mean of its divisors is an integer number (2843376689340).

Almost surely, 2^{26536664854378} is an apocalyptic number.

26536664854378 is a deficient number, since it is larger than the sum of its proper divisors (18957362175062).

26536664854378 is a wasteful number, since it uses less digits than its factorization.

26536664854378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108398541.

The product of its digits is 4180377600, while the sum is 73.

The spelling of 26536664854378 in words is "twenty-six trillion, five hundred thirty-six billion, six hundred sixty-four million, eight hundred fifty-four thousand, three hundred seventy-eight".