26604502610868 has 180 divisors, whose sum is σ = 83262037928160. Its totient is φ = 7016570218944.

The previous prime is 26604502610863. The next prime is 26604502610869. The reversal of 26604502610868 is 86801620540662.

26604502610868 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 450 + 26 + 108 + 68 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26604502610863) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5349163 + ... + 9045581.

Almost surely, 2^{26604502610868} is an apocalyptic number.

26604502610868 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 26604502610868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41631018964080).

26604502610868 is an abundant number, since it is smaller than the sum of its proper divisors (56657535317292).

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

26604502610868 is a wasteful number, since it uses less digits than its factorization.

26604502610868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696488 (or 3696444 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 26604502610868 in words is "twenty-six trillion, six hundred four billion, five hundred two million, six hundred ten thousand, eight hundred sixty-eight".