2217166607166 has 64 divisors (see below), whose sum is σ = 5088548348928. Its totient is φ = 630885201408.

The previous prime is 2217166607147. The next prime is 2217166607237. The reversal of 2217166607166 is 6617066617122.

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, 40809916 + ... + 40864208.

It is an arithmetic number, because the mean of its divisors is an integer number (79508567952).

Almost surely, 2^{2217166607166} is an apocalyptic number.

2217166607166 is an abundant number, since it is smaller than the sum of its proper divisors (2871381741762).

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

2217166607166 is a wasteful number, since it uses less digits than its factorization.

2217166607166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58265.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 2217166607166 in words is "two trillion, two hundred seventeen billion, one hundred sixty-six million, six hundred seven thousand, one hundred sixty-six".