26863165718128 has 20 divisors (see below), whose sum is σ = 52102930442080. Its totient is φ = 13417248184704.

The previous prime is 26863165718023. The next prime is 26863165718159. The reversal of 26863165718128 is 82181756136862.

It is a self number, because there is not a number n which added to its sum of digits gives 26863165718128.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 895901688 + ... + 895931671.

It is an arithmetic number, because the mean of its divisors is an integer number (2605146522104).

Almost surely, 2^{26863165718128} is an apocalyptic number.

It is an amenable number.

26863165718128 is a deficient number, since it is larger than the sum of its proper divisors (25239764723952).

26863165718128 is a wasteful number, since it uses less digits than its factorization.

26863165718128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791834304 (or 1791834298 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 64.

The spelling of 26863165718128 in words is "twenty-six trillion, eight hundred sixty-three billion, one hundred sixty-five million, seven hundred eighteen thousand, one hundred twenty-eight".