5577668168 has 16 divisors (see below), whose sum is σ = 10461475500. Its totient is φ = 2787941376.

The previous prime is 5577668123. The next prime is 5577668171. The reversal of 5577668168 is 8618667755.

It can be written as a sum of positive squares in 2 ways, for example, as 5571428164 + 6240004 = 74642^2 + 2498^2 .

It is a super-2 number, since 2×5577668168² = 62220764384640952448, which contains 22 as substring.

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, 84653 + ... + 135356.

Almost surely, 2^5577668168 is an apocalyptic number.

It is an amenable number.

5577668168 is a deficient number, since it is larger than the sum of its proper divisors (4883807332).

5577668168 is a wasteful number, since it uses less digits than its factorization.

5577668168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223184 (or 223180 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 59.

The square root of 5577668168 is about 74683.7878525186. The cubic root of 5577668168 is about 1773.4443202563. Note that the first 3 decimals are identical.

The spelling of 5577668168 in words is "five billion, five hundred seventy-seven million, six hundred sixty-eight thousand, one hundred sixty-eight".