25793187168 has 192 divisors, whose sum is σ = 82700932608. Its totient is φ = 6870835200.

The previous prime is 25793187139. The next prime is 25793187187. The reversal of 25793187168 is 86178139752.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1211818 + ... + 1232918.

It is an arithmetic number, because the mean of its divisors is an integer number (430734024).

Almost surely, 2^25793187168 is an apocalyptic number.

25793187168 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 25793187168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41350466304).

25793187168 is an abundant number, since it is smaller than the sum of its proper divisors (56907745440).

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

25793187168 is a wasteful number, since it uses less digits than its factorization.

25793187168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21245 (or 21237 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The spelling of 25793187168 in words is "twenty-five billion, seven hundred ninety-three million, one hundred eighty-seven thousand, one hundred sixty-eight".