26013101666568 has 64 divisors (see below), whose sum is σ = 65098016867520. Its totient is φ = 8662333593600.

The previous prime is 26013101666557. The next prime is 26013101666581. The reversal of 26013101666568 is 86566610131062.

It is a self number, because there is not a number n which added to its sum of digits gives 26013101666568.

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, 358186996 + ... + 358259612.

It is an arithmetic number, because the mean of its divisors is an integer number (1017156513555).

Almost surely, 2^{26013101666568} is an apocalyptic number.

It is an amenable number.

26013101666568 is an abundant number, since it is smaller than the sum of its proper divisors (39084915200952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26013101666568 is a wasteful number, since it uses less digits than its factorization.

26013101666568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87398 (or 87394 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 26013101666568 in words is "twenty-six trillion, thirteen billion, one hundred one million, six hundred sixty-six thousand, five hundred sixty-eight".