26161325568 has 1120 divisors, whose sum is σ = 103047690240. Its totient is φ = 6449725440.

The previous prime is 26161325563. The next prime is 26161325591. The reversal of 26161325568 is 86552316162.

26161325568 is a `hidden beast` number, since 2 + 6 + 1 + 61 + 3 + 25 + 568 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26161325563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 843913713 + ... + 843913743.

Almost surely, 2^26161325568 is an apocalyptic number.

26161325568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26161325568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51523845120).

26161325568 is an abundant number, since it is smaller than the sum of its proper divisors (76886364672).

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

26161325568 is an equidigital number, since it uses as much as digits as its factorization.

26161325568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 79 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 26161325568 in words is "twenty-six billion, one hundred sixty-one million, three hundred twenty-five thousand, five hundred sixty-eight".