2128916108 has 36 divisors (see below), whose sum is σ = 4126467576. Its totient is φ = 960273600.

The previous prime is 2128916081. The next prime is 2128916131. The reversal of 2128916108 is 8016198212.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46616 + ... + 80192.

Almost surely, 2^2128916108 is an apocalyptic number.

It is an amenable number.

2128916108 is a deficient number, since it is larger than the sum of its proper divisors (1997551468).

2128916108 is a wasteful number, since it uses less digits than its factorization.

2128916108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33734 (or 33721 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 2128916108 is about 46140.1788899870. The cubic root of 2128916108 is about 1286.4300688331.

The spelling of 2128916108 in words is "two billion, one hundred twenty-eight million, nine hundred sixteen thousand, one hundred eight".