2162105288 has 32 divisors (see below), whose sum is σ = 4905619200. Its totient is φ = 872109312.

The previous prime is 2162105287. The next prime is 2162105299. The reversal of 2162105288 is 8825012612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2162105287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134608 + ... + 1136511.

It is an arithmetic number, because the mean of its divisors is an integer number (153300600).

Almost surely, 2^2162105288 is an apocalyptic number.

2162105288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2162105288 is an abundant number, since it is smaller than the sum of its proper divisors (2743513912).

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

2162105288 is a wasteful number, since it uses less digits than its factorization.

2162105288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271149 (or 2271145 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 2162105288 is about 46498.4439309532. The cubic root of 2162105288 is about 1293.0806503794.

The spelling of 2162105288 in words is "two billion, one hundred sixty-two million, one hundred five thousand, two hundred eighty-eight".