2128168336 has 20 divisors (see below), whose sum is σ = 4712372992. Its totient is φ = 912072096.

The previous prime is 2128168327. The next prime is 2128168349. The reversal of 2128168336 is 6338618212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9500640 + ... + 9500863.

Almost surely, 2^2128168336 is an apocalyptic number.

It is an amenable number.

2128168336 is an abundant number, since it is smaller than the sum of its proper divisors (2584204656).

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

2128168336 is a wasteful number, since it uses less digits than its factorization.

2128168336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19001518 (or 19001512 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2128168336 is about 46132.0749153992. The cubic root of 2128168336 is about 1286.2794336450.

The spelling of 2128168336 in words is "two billion, one hundred twenty-eight million, one hundred sixty-eight thousand, three hundred thirty-six".