225610017766 has 64 divisors (see below), whose sum is σ = 397332569088. Its totient is φ = 94086862848.

The previous prime is 225610017749. The next prime is 225610017781. The reversal of 225610017766 is 667710016522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41831166 + ... + 41836558.

It is an arithmetic number, because the mean of its divisors is an integer number (6208321392).

Almost surely, 2^225610017766 is an apocalyptic number.

225610017766 is a deficient number, since it is larger than the sum of its proper divisors (171722551322).

225610017766 is a wasteful number, since it uses less digits than its factorization.

225610017766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 225610017766 in words is "two hundred twenty-five billion, six hundred ten million, seventeen thousand, seven hundred sixty-six".