225657245616 has 160 divisors (see below), whose sum is σ = 665765388288. Its totient is φ = 65193765120.

The previous prime is 225657245581. The next prime is 225657245699. The reversal of 225657245616 is 616542756522.

225657245616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3697945 + ... + 3758471.

Almost surely, 2^225657245616 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 225657245616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332882694144).

225657245616 is an abundant number, since it is smaller than the sum of its proper divisors (440108142672).

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

225657245616 is a wasteful number, since it uses less digits than its factorization.

225657245616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60879 (or 60873 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 51.

The spelling of 225657245616 in words is "two hundred twenty-five billion, six hundred fifty-seven million, two hundred forty-five thousand, six hundred sixteen".