2162105164 has 6 divisors (see below), whose sum is σ = 3783684044. Its totient is φ = 1081052580.

The previous prime is 2162105159. The next prime is 2162105173. The reversal of 2162105164 is 4615012612.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270263142 + ... + 270263149.

Almost surely, 2^2162105164 is an apocalyptic number.

It is an amenable number.

2162105164 is a deficient number, since it is larger than the sum of its proper divisors (1621578880).

2162105164 is a wasteful number, since it uses less digits than its factorization.

2162105164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540526295 (or 540526293 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2162105164 is about 46498.4425975752. The cubic root of 2162105164 is about 1293.0806256594.

Adding to 2162105164 its reverse (4615012612), we get a palindrome (6777117776).

The spelling of 2162105164 in words is "two billion, one hundred sixty-two million, one hundred five thousand, one hundred sixty-four".