26591061168 has 120 divisors (see below), whose sum is σ = 86490892800. Its totient is φ = 7468659072.

The previous prime is 26591061163. The next prime is 26591061199. The reversal of 26591061168 is 86116019562.

26591061168 is a `hidden beast` number, since 26 + 5 + 9 + 1 + 0 + 611 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (26591061163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164088 + ... + 283031.

It is an arithmetic number, because the mean of its divisors is an integer number (720757440).

Almost surely, 2^26591061168 is an apocalyptic number.

26591061168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26591061168 is an abundant number, since it is smaller than the sum of its proper divisors (59899831632).

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

26591061168 is a wasteful number, since it uses less digits than its factorization.

26591061168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447199 (or 447190 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 26591061168 in words is "twenty-six billion, five hundred ninety-one million, sixty-one thousand, one hundred sixty-eight".