25610633216 has 360 divisors, whose sum is σ = 66341378880. Its totient is φ = 9809952768.

The previous prime is 25610633189. The next prime is 25610633221. The reversal of 25610633216 is 61233601652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350830556 + ... + 350830628.

It is an arithmetic number, because the mean of its divisors is an integer number (184281608).

Almost surely, 2^25610633216 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 25610633216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33170689440).

25610633216 is an abundant number, since it is smaller than the sum of its proper divisors (40730745664).

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

25610633216 is an equidigital number, since it uses as much as digits as its factorization.

25610633216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 25610633216 in words is "twenty-five billion, six hundred ten million, six hundred thirty-three thousand, two hundred sixteen".