5771656818 has 24 divisors (see below), whose sum is σ = 12908653056. Its totient is φ = 1861824600.

The previous prime is 5771656727. The next prime is 5771656831. The reversal of 5771656818 is 8186561775.

5771656818 is a `hidden beast` number, since 5 + 7 + 71 + 6 + 568 + 1 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5171178 + ... + 5172293.

It is an arithmetic number, because the mean of its divisors is an integer number (537860544).

Almost surely, 2^5771656818 is an apocalyptic number.

5771656818 is an abundant number, since it is smaller than the sum of its proper divisors (7136996238).

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

5771656818 is a wasteful number, since it uses less digits than its factorization.

5771656818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343510 (or 10343507 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 54.

The square root of 5771656818 is about 75971.4210608173. The cubic root of 5771656818 is about 1793.7703180563.

The spelling of 5771656818 in words is "five billion, seven hundred seventy-one million, six hundred fifty-six thousand, eight hundred eighteen".