2128966163 has 16 divisors (see below), whose sum is σ = 2201755776. Its totient is φ = 2057348160.

The previous prime is 2128966141. The next prime is 2128966193. The reversal of 2128966163 is 3616698212.

It is a cyclic number.

It is not a de Polignac number, because 2128966163 - 2⁸ = 2128965907 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2128966193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3080648 + ... + 3081338.

It is an arithmetic number, because the mean of its divisors is an integer number (137609736).

Almost surely, 2^2128966163 is an apocalyptic number.

2128966163 is a deficient number, since it is larger than the sum of its proper divisors (72789613).

2128966163 is a wasteful number, since it uses less digits than its factorization.

2128966163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its digits is 186624, while the sum is 44.

The square root of 2128966163 is about 46140.7213099232. The cubic root of 2128966163 is about 1286.4401509202.

The spelling of 2128966163 in words is "two billion, one hundred twenty-eight million, nine hundred sixty-six thousand, one hundred sixty-three".