2128633916 has 24 divisors (see below), whose sum is σ = 3923230080. Its totient is φ = 1007770032.

The previous prime is 2128633909. The next prime is 2128633931. The reversal of 2128633916 is 6193368212.

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, 164225 + ... + 176711.

It is an arithmetic number, because the mean of its divisors is an integer number (163467920).

Almost surely, 2^2128633916 is an apocalyptic number.

It is an amenable number.

2128633916 is a deficient number, since it is larger than the sum of its proper divisors (1794596164).

2128633916 is a wasteful number, since it uses less digits than its factorization.

2128633916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14753 (or 14751 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 2128633916 is about 46137.1208031017. The cubic root of 2128633916 is about 1286.3732267131.

The spelling of 2128633916 in words is "two billion, one hundred twenty-eight million, six hundred thirty-three thousand, nine hundred sixteen".