5773663666 has 8 divisors (see below), whose sum is σ = 8667156204. Its totient is φ = 2884611600.

The previous prime is 5773663663. The next prime is 5773663667. The reversal of 5773663666 is 6663663775.

It can be written as a sum of positive squares in 2 ways, for example, as 3599400025 + 2174263641 = 59995^2 + 46629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×5773663666⁴ (a number of 40 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (5773663663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106865 + ... + 1112068.

Almost surely, 2^5773663666 is an apocalyptic number.

5773663666 is a deficient number, since it is larger than the sum of its proper divisors (2893492538).

5773663666 is a wasteful number, since it uses less digits than its factorization.

5773663666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220236.

The product of its digits is 17146080, while the sum is 55.

The square root of 5773663666 is about 75984.6278269493. The cubic root of 5773663666 is about 1793.9781963912.

The spelling of 5773663666 in words is "five billion, seven hundred seventy-three million, six hundred sixty-three thousand, six hundred sixty-six".