2160171116166 has 64 divisors (see below), whose sum is σ = 5043656927232. Its totient is φ = 603931948032.

The previous prime is 2160171116101. The next prime is 2160171116171. The reversal of 2160171116166 is 6616111710612.

It is a happy number.

It is a super-2 number, since 2×2160171116166² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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, 9395170 + ... + 9622346.

It is an arithmetic number, because the mean of its divisors is an integer number (78807139488).

Almost surely, 2^{2160171116166} is an apocalyptic number.

2160171116166 is an abundant number, since it is smaller than the sum of its proper divisors (2883485811066).

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

2160171116166 is a wasteful number, since it uses less digits than its factorization.

2160171116166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232053.

The product of its (nonzero) digits is 18144, while the sum is 39.

Adding to 2160171116166 its reverse (6616111710612), we get a palindrome (8776282826778).

The spelling of 2160171116166 in words is "two trillion, one hundred sixty billion, one hundred seventy-one million, one hundred sixteen thousand, one hundred sixty-six".