2143105166 has 8 divisors (see below), whose sum is σ = 3214969824. Its totient is φ = 1071448560.

The previous prime is 2143105117. The next prime is 2143105199. The reversal of 2143105166 is 6615013412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23030 + ... + 69401.

It is an arithmetic number, because the mean of its divisors is an integer number (401871228).

Almost surely, 2^2143105166 is an apocalyptic number.

2143105166 is a deficient number, since it is larger than the sum of its proper divisors (1071864658).

2143105166 is a wasteful number, since it uses less digits than its factorization.

2143105166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104026.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2143105166 is about 46293.6838672405. The cubic root of 2143105166 is about 1289.2817278168.

Adding to 2143105166 its reverse (6615013412), we get a palindrome (8758118578).

The spelling of 2143105166 in words is "two billion, one hundred forty-three million, one hundred five thousand, one hundred sixty-six".