2806689168 has 60 divisors (see below), whose sum is σ = 8067139548. Its totient is φ = 910275840.

The previous prime is 2806689167. The next prime is 2806689173. The reversal of 2806689168 is 8619866082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2682411264 + 124277904 = 51792^2 + 11148^2 .

It is not an unprimeable number, because it can be changed into a prime (2806689167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258063 + ... + 268718.

Almost surely, 2^2806689168 is an apocalyptic number.

It is an amenable number.

2806689168 is an abundant number, since it is smaller than the sum of its proper divisors (5260450380).

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

2806689168 is a wasteful number, since it uses less digits than its factorization.

2806689168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526832 (or 526823 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 2806689168 is about 52978.1952127477. The cubic root of 2806689168 is about 1410.5812482102.

The spelling of 2806689168 in words is "two billion, eight hundred six million, six hundred eighty-nine thousand, one hundred sixty-eight".