225651016657 has 8 divisors (see below), whose sum is σ = 249280755840. Its totient is φ = 202540612560.

The previous prime is 225651016639. The next prime is 225651016673. The reversal of 225651016657 is 756610156522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225651016657 - 2²³ = 225642628049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225651016627) 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, 129832858 + ... + 129834595.

It is an arithmetic number, because the mean of its divisors is an integer number (31160094480).

Almost surely, 2^225651016657 is an apocalyptic number.

It is an amenable number.

225651016657 is a deficient number, since it is larger than the sum of its proper divisors (23629739183).

225651016657 is a wasteful number, since it uses less digits than its factorization.

225651016657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259667543.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 225651016657 in words is "two hundred twenty-five billion, six hundred fifty-one million, sixteen thousand, six hundred fifty-seven".