25244163762216 has 128 divisors (see below), whose sum is σ = 73159964881920. Its totient is φ = 7109632318464.

The previous prime is 25244163762199. The next prime is 25244163762227. The reversal of 25244163762216 is 61226736144252.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4133856 + ... + 8220528.

It is an arithmetic number, because the mean of its divisors is an integer number (571562225640).

Almost surely, 2^{25244163762216} 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 25244163762216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36579982440960).

25244163762216 is an abundant number, since it is smaller than the sum of its proper divisors (47915801119704).

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

25244163762216 is a wasteful number, since it uses less digits than its factorization.

25244163762216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087215 (or 4087211 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The spelling of 25244163762216 in words is "twenty-five trillion, two hundred forty-four billion, one hundred sixty-three million, seven hundred sixty-two thousand, two hundred sixteen".