26491134168 has 48 divisors (see below), whose sum is σ = 72923011200. Its totient is φ = 8685616320.

The previous prime is 26491134133. The next prime is 26491134179. The reversal of 26491134168 is 86143119462.

26491134168 is a `hidden beast` number, since 26 + 491 + 134 + 1 + 6 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3011448 + ... + 3020231.

It is an arithmetic number, because the mean of its divisors is an integer number (1519229400).

Almost surely, 2^26491134168 is an apocalyptic number.

It is an amenable number.

26491134168 is an abundant number, since it is smaller than the sum of its proper divisors (46431877032).

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

26491134168 is a wasteful number, since it uses less digits than its factorization.

26491134168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031752 (or 6031745 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 26491134168 in words is "twenty-six billion, four hundred ninety-one million, one hundred thirty-four thousand, one hundred sixty-eight".