25816896 has 168 divisors, whose sum is σ = 89286080. Its totient is φ = 6967296.

The previous prime is 25816891. The next prime is 25816907. The reversal of 25816896 is 69861852.

25816896 is a `hidden beast` number, since 2 + 581 + 68 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25816891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76440 + ... + 76776.

Almost surely, 2^25816896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25816896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44643040).

25816896 is an abundant number, since it is smaller than the sum of its proper divisors (63469184).

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

25816896 is a wasteful number, since it uses less digits than its factorization.

25816896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 368 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 25816896 is about 5081.0329658446. The cubic root of 25816896 is about 295.5525257278.

The spelling of 25816896 in words is "twenty-five million, eight hundred sixteen thousand, eight hundred ninety-six".