225607516666 has 32 divisors (see below), whose sum is σ = 394733750400. Its totient is φ = 96668103168.

The previous prime is 225607516627. The next prime is 225607516697. The reversal of 225607516666 is 666615706522.

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 15 ways as a sum of consecutive naturals, for example, 3392265 + ... + 3458131.

It is an arithmetic number, because the mean of its divisors is an integer number (12335429700).

Almost surely, 2^225607516666 is an apocalyptic number.

225607516666 is a deficient number, since it is larger than the sum of its proper divisors (169126233734).

225607516666 is an equidigital number, since it uses as much as digits as its factorization.

225607516666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70883 (or 70869 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 225607516666 in words is "two hundred twenty-five billion, six hundred seven million, five hundred sixteen thousand, six hundred sixty-six".