2811628116 has 108 divisors (see below), whose sum is σ = 7922914272. Its totient is φ = 839916000.

The previous prime is 2811628093. The next prime is 2811628159. The reversal of 2811628116 is 6118261182.

2811628116 is a `hidden beast` number, since 2 + 8 + 11 + 628 + 1 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 304731 + ... + 313821.

Almost surely, 2^2811628116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2811628116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3961457136).

2811628116 is an abundant number, since it is smaller than the sum of its proper divisors (5111286156).

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

2811628116 is a wasteful number, since it uses less digits than its factorization.

2811628116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194 (or 9178 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 2811628116 is about 53024.7877506360. The cubic root of 2811628116 is about 1411.4081661562.

Adding to 2811628116 its reverse (6118261182), we get a palindrome (8929889298).

The spelling of 2811628116 in words is "two billion, eight hundred eleven million, six hundred twenty-eight thousand, one hundred sixteen".