2162162868 has 24 divisors (see below), whose sum is σ = 5049179520. Its totient is φ = 720130560.

The previous prime is 2162162857. The next prime is 2162162887. The reversal of 2162162868 is 8682612612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58413 + ... + 87956.

It is an arithmetic number, because the mean of its divisors is an integer number (210382480).

Almost surely, 2^2162162868 is an apocalyptic number.

It is an amenable number.

2162162868 is an abundant number, since it is smaller than the sum of its proper divisors (2887016652).

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

2162162868 is a wasteful number, since it uses less digits than its factorization.

2162162868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147607 (or 147605 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 2162162868 is about 46499.0630873354. The cubic root of 2162162868 is about 1293.0921291486.

The spelling of 2162162868 in words is "two billion, one hundred sixty-two million, one hundred sixty-two thousand, eight hundred sixty-eight".