2728163992 has 16 divisors (see below), whose sum is σ = 5172784200. Its totient is φ = 1348754880.

The previous prime is 2728163983. The next prime is 2728163993. The reversal of 2728163992 is 2993618272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728163993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915134 + ... + 1916557.

Almost surely, 2^2728163992 is an apocalyptic number.

It is an amenable number.

2728163992 is a deficient number, since it is larger than the sum of its proper divisors (2444620208).

2728163992 is a wasteful number, since it uses less digits than its factorization.

2728163992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831786 (or 3831782 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 2728163992 is about 52231.8292997670. The cubic root of 2728163992 is about 1397.3016037432.

The spelling of 2728163992 in words is "two billion, seven hundred twenty-eight million, one hundred sixty-three thousand, nine hundred ninety-two".