25823532168 has 768 divisors, whose sum is σ = 94254451200. Its totient is φ = 6210846720.

The previous prime is 25823532167. The next prime is 25823532181. The reversal of 25823532168 is 86123532852.

25823532168 is a `hidden beast` number, since 2 + 5 + 82 + 353 + 216 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (25823532167) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 353746980 + ... + 353747052.

It is an arithmetic number, because the mean of its divisors is an integer number (122727150).

Almost surely, 2^25823532168 is an apocalyptic number.

25823532168 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 25823532168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47127225600).

25823532168 is an abundant number, since it is smaller than the sum of its proper divisors (68430919032).

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

25823532168 is a wasteful number, since it uses less digits than its factorization.

25823532168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 215 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 25823532168 in words is "twenty-five billion, eight hundred twenty-three million, five hundred thirty-two thousand, one hundred sixty-eight".