2162105208 has 96 divisors (see below), whose sum is σ = 6081566400. Its totient is φ = 693100800.

The previous prime is 2162105207. The next prime is 2162105219. The reversal of 2162105208 is 8025012612.

It is a happy number.

2162105208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162105201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563938 + ... + 567758.

It is an arithmetic number, because the mean of its divisors is an integer number (63349650).

Almost surely, 2^2162105208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162105208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3040783200).

2162105208 is an abundant number, since it is smaller than the sum of its proper divisors (3919461192).

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

2162105208 is a wasteful number, since it uses less digits than its factorization.

2162105208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2162105208 is about 46498.4430707094. The cubic root of 2162105208 is about 1293.0806344310.

The spelling of 2162105208 in words is "two billion, one hundred sixty-two million, one hundred five thousand, two hundred eight".