26168197110 has 128 divisors (see below), whose sum is σ = 70395816960. Its totient is φ = 6170419200.

The previous prime is 26168197109. The next prime is 26168197117. The reversal of 26168197110 is 1179186162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26168197117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4773351 + ... + 4778829.

It is an arithmetic number, because the mean of its divisors is an integer number (549967320).

Almost surely, 2^26168197110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26168197110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35197908480).

26168197110 is an abundant number, since it is smaller than the sum of its proper divisors (44227619850).

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

26168197110 is a wasteful number, since it uses less digits than its factorization.

26168197110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894.

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 26168197110 in words is "twenty-six billion, one hundred sixty-eight million, one hundred ninety-seven thousand, one hundred ten".