225785664063 has 6 divisors (see below), whose sum is σ = 326134848104. Its totient is φ = 150523776036.

The previous prime is 225785664043. The next prime is 225785664077. The reversal of 225785664063 is 360466587522.

225785664063 is a `hidden beast` number, since 2 + 2 + 5 + 78 + 566 + 4 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 225785664063 - 2¹⁷ = 225785532991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225785664043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12543647995 + ... + 12543648012.

Almost surely, 2^225785664063 is an apocalyptic number.

225785664063 is a deficient number, since it is larger than the sum of its proper divisors (100349184041).

225785664063 is a wasteful number, since it uses less digits than its factorization.

225785664063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25087296013 (or 25087296010 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 225785664063 in words is "two hundred twenty-five billion, seven hundred eighty-five million, six hundred sixty-four thousand, sixty-three".