2162168 has 8 divisors (see below), whose sum is σ = 4054080. Its totient is φ = 1081080.

The previous prime is 2162137. The next prime is 2162177. The reversal of 2162168 is 8612612.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135128 + ... + 135143.

It is an arithmetic number, because the mean of its divisors is an integer number (506760).

2^2162168 is an apocalyptic number.

It is an amenable number.

2162168 is a deficient number, since it is larger than the sum of its proper divisors (1891912).

2162168 is a wasteful number, since it uses less digits than its factorization.

2162168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270277 (or 270273 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 2162168 is about 1470.4312292658. The cubic root of 2162168 is about 129.3093152220.

The spelling of 2162168 in words is "two million, one hundred sixty-two thousand, one hundred sixty-eight".