25495847168 has 72 divisors (see below), whose sum is σ = 55801690560. Its totient is φ = 11529943040.

The previous prime is 25495847161. The next prime is 25495847183. The reversal of 25495847168 is 86174859452.

It is not an unprimeable number, because it can be changed into a prime (25495847161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531773 + ... + 577731.

It is an arithmetic number, because the mean of its divisors is an integer number (775023480).

Almost surely, 2^25495847168 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 25495847168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27900845280).

25495847168 is an abundant number, since it is smaller than the sum of its proper divisors (30305843392).

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

25495847168 is a wasteful number, since it uses less digits than its factorization.

25495847168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46183 (or 46169 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 59.

The spelling of 25495847168 in words is "twenty-five billion, four hundred ninety-five million, eight hundred forty-seven thousand, one hundred sixty-eight".