2163242168 has 16 divisors (see below), whose sum is σ = 4091975280. Its totient is φ = 1072048768.

The previous prime is 2163242149. The next prime is 2163242171. The reversal of 2163242168 is 8612423612.

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 in 3 ways as a sum of consecutive naturals, for example, 1195580 + ... + 1197387.

It is an arithmetic number, because the mean of its divisors is an integer number (255748455).

Almost surely, 2^2163242168 is an apocalyptic number.

It is an amenable number.

2163242168 is a deficient number, since it is larger than the sum of its proper divisors (1928733112).

2163242168 is a wasteful number, since it uses less digits than its factorization.

2163242168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393086 (or 2393082 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 2163242168 is about 46510.6672495676. The cubic root of 2163242168 is about 1293.3072535807.

The spelling of 2163242168 in words is "two billion, one hundred sixty-three million, two hundred forty-two thousand, one hundred sixty-eight".