225603630016 has 56 divisors (see below), whose sum is σ = 472030054160. Its totient is φ = 106686720000.

The previous prime is 225603630011. The next prime is 225603630041. The reversal of 225603630016 is 610036306522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225603630011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576466 + ... + 885166.

It is an arithmetic number, because the mean of its divisors is an integer number (8429108110).

Almost surely, 2^225603630016 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 225603630016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236015027080).

225603630016 is an abundant number, since it is smaller than the sum of its proper divisors (246426424144).

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

225603630016 is a wasteful number, since it uses less digits than its factorization.

225603630016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309333 (or 309323 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 225603630016 its reverse (610036306522), we get a palindrome (835639936538).

The spelling of 225603630016 in words is "two hundred twenty-five billion, six hundred three million, six hundred thirty thousand, sixteen".