225679166845 has 16 divisors (see below), whose sum is σ = 295444143360. Its totient is φ = 164124971200.

The previous prime is 225679166837. The next prime is 225679166849. The reversal of 225679166845 is 548661976522.

It is not a de Polignac number, because 225679166845 - 2³ = 225679166837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225679166849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2610615 + ... + 2695675.

It is an arithmetic number, because the mean of its divisors is an integer number (18465258960).

Almost surely, 2^225679166845 is an apocalyptic number.

It is an amenable number.

225679166845 is a deficient number, since it is larger than the sum of its proper divisors (69764976515).

225679166845 is a wasteful number, since it uses less digits than its factorization.

225679166845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133316.

The product of its digits is 43545600, while the sum is 61.

The spelling of 225679166845 in words is "two hundred twenty-five billion, six hundred seventy-nine million, one hundred sixty-six thousand, eight hundred forty-five".