2938721168 has 20 divisors (see below), whose sum is σ = 5696354160. Its totient is φ = 1468694304.

The previous prime is 2938721153. The next prime is 2938721173. The reversal of 2938721168 is 8611278392.

It is a happy number.

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, 4238 + ... + 76781.

It is an arithmetic number, because the mean of its divisors is an integer number (284817708).

Almost surely, 2^2938721168 is an apocalyptic number.

It is an amenable number.

2938721168 is a deficient number, since it is larger than the sum of its proper divisors (2757632992).

2938721168 is a wasteful number, since it uses less digits than its factorization.

2938721168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83294 (or 83288 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 2938721168 is about 54209.9729570123. The cubic root of 2938721168 is about 1432.3620096383.

The spelling of 2938721168 in words is "two billion, nine hundred thirty-eight million, seven hundred twenty-one thousand, one hundred sixty-eight".