5671718816 has 24 divisors (see below), whose sum is σ = 11281318020. Its totient is φ = 2806622208.

The previous prime is 5671718809. The next prime is 5671718837. The reversal of 5671718816 is 6188171765.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5532384400 + 139334416 = 74380^2 + 11804^2 .

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, 910511 + ... + 916718.

Almost surely, 2^5671718816 is an apocalyptic number.

It is an amenable number.

5671718816 is a deficient number, since it is larger than the sum of its proper divisors (5609599204).

5671718816 is a wasteful number, since it uses less digits than its factorization.

5671718816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827336 (or 1827328 counting only the distinct ones).

The product of its digits is 564480, while the sum is 50.

The square root of 5671718816 is about 75310.8147346714. The cubic root of 5671718816 is about 1783.3567529538.

The spelling of 5671718816 in words is "five billion, six hundred seventy-one million, seven hundred eighteen thousand, eight hundred sixteen".