26251886166480 has 480 divisors, whose sum is σ = 98528402778624. Its totient is φ = 6457564643328.

The previous prime is 26251886166419. The next prime is 26251886166487. The reversal of 26251886166480 is 8466168815262.

26251886166480 is a `hidden beast` number, since 2 + 6 + 2 + 5 + 1 + 8 + 8 + 616 + 6 + 4 + 8 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26251886166487) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 375759712 + ... + 375829568.

Almost surely, 2^{26251886166480} is an apocalyptic number.

26251886166480 is a gapful number since it is divisible by the number (20) 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 26251886166480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49264201389312).

26251886166480 is an abundant number, since it is smaller than the sum of its proper divisors (72276516612144).

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

26251886166480 is a wasteful number, since it uses less digits than its factorization.

26251886166480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71385 (or 71367 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 63.

The spelling of 26251886166480 in words is "twenty-six trillion, two hundred fifty-one billion, eight hundred eighty-six million, one hundred sixty-six thousand, four hundred eighty".