2812668816 has 40 divisors (see below), whose sum is σ = 7312361344. Its totient is φ = 931582080.

The previous prime is 2812668787. The next prime is 2812668823. The reversal of 2812668816 is 6188662182.

It is a happy number.

It is a super-2 number, since 2×2812668816² = 15822211736997683712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179080 + ... + 194151.

Almost surely, 2^2812668816 is an apocalyptic number.

It is an amenable number.

2812668816 is an abundant number, since it is smaller than the sum of its proper divisors (4499692528).

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

2812668816 is a wasteful number, since it uses less digits than its factorization.

2812668816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373399 (or 373393 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 2812668816 is about 53034.6001776199. The cubic root of 2812668816 is about 1411.5822848789.

The spelling of 2812668816 in words is "two billion, eight hundred twelve million, six hundred sixty-eight thousand, eight hundred sixteen".