5723752666 has 16 divisors (see below), whose sum is σ = 8828481024. Its totient is φ = 2781115344.

The previous prime is 5723752631. The next prime is 5723752667. The reversal of 5723752666 is 6662573275.

It is a super-2 number, since 2×5723752666² = 65522689163084215112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5723752667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13911 + ... + 107893.

It is an arithmetic number, because the mean of its divisors is an integer number (551780064).

Almost surely, 2^5723752666 is an apocalyptic number.

5723752666 is a deficient number, since it is larger than the sum of its proper divisors (3104728358).

5723752666 is a wasteful number, since it uses less digits than its factorization.

5723752666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94845.

The product of its digits is 3175200, while the sum is 49.

The square root of 5723752666 is about 75655.4866880123. The cubic root of 5723752666 is about 1788.7938219914.

The spelling of 5723752666 in words is "five billion, seven hundred twenty-three million, seven hundred fifty-two thousand, six hundred sixty-six".