225016566663 has 32 divisors (see below), whose sum is σ = 351332190720. Its totient is φ = 125413770240.

The previous prime is 225016566647. The next prime is 225016566703. The reversal of 225016566663 is 366665610522.

It is not a de Polignac number, because 225016566663 - 2⁴ = 225016566647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225016565663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3704028 + ... + 3764286.

It is an arithmetic number, because the mean of its divisors is an integer number (10979130960).

Almost surely, 2^225016566663 is an apocalyptic number.

225016566663 is a deficient number, since it is larger than the sum of its proper divisors (126315624057).

225016566663 is a wasteful number, since it uses less digits than its factorization.

225016566663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64647.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 225016566663 in words is "two hundred twenty-five billion, sixteen million, five hundred sixty-six thousand, six hundred sixty-three".