2164203373171 has 24 divisors (see below), whose sum is σ = 2520181406160. Its totient is φ = 1853088233472.

The previous prime is 2164203373169. The next prime is 2164203373187. The reversal of 2164203373171 is 1713733024612.

It is a happy number.

It is not a de Polignac number, because 2164203373171 - 2¹ = 2164203373169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164203373151) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 290220675 + ... + 290228131.

It is an arithmetic number, because the mean of its divisors is an integer number (105007558590).

Almost surely, 2^{2164203373171} is an apocalyptic number.

2164203373171 is a deficient number, since it is larger than the sum of its proper divisors (355978032989).

2164203373171 is a wasteful number, since it uses less digits than its factorization.

2164203373171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12883 (or 12876 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

Adding to 2164203373171 its reverse (1713733024612), we get a palindrome (3877936397783).

The spelling of 2164203373171 in words is "two trillion, one hundred sixty-four billion, two hundred three million, three hundred seventy-three thousand, one hundred seventy-one".