225166684068 has 36 divisors (see below), whose sum is σ = 569201628268. Its totient is φ = 75051567360.

The previous prime is 225166684027. The next prime is 225166684079. The reversal of 225166684068 is 860486661522.

225166684068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40904253504 + 184262430564 = 202248^2 + 429258^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×225166684068² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 563328 + ... + 876168.

Almost surely, 2^225166684068 is an apocalyptic number.

It is an amenable number.

225166684068 is an abundant number, since it is smaller than the sum of its proper divisors (344034944200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225166684068 is a wasteful number, since it uses less digits than its factorization.

225166684068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332844 (or 332839 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 225166684068 in words is "two hundred twenty-five billion, one hundred sixty-six million, six hundred eighty-four thousand, sixty-eight".