5866662685 has 32 divisors (see below), whose sum is σ = 8074170720. Its totient is φ = 4053762048.

The previous prime is 5866662679. The next prime is 5866662701. The reversal of 5866662685 is 5862666685.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 33674809 + 5832987876 = 5803^2 + 76374^2 .

It is a cyclic number.

It is not a de Polignac number, because 5866662685 - 2⁹ = 5866662173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175821 + ... + 206509.

It is an arithmetic number, because the mean of its divisors is an integer number (252317835).

Almost surely, 2^5866662685 is an apocalyptic number.

It is an amenable number.

5866662685 is a deficient number, since it is larger than the sum of its proper divisors (2207508035).

5866662685 is a wasteful number, since it uses less digits than its factorization.

5866662685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30897.

The product of its digits is 24883200, while the sum is 58.

The square root of 5866662685 is about 76594.1426285326. The cubic root of 5866662685 is about 1803.5590779756.

The spelling of 5866662685 in words is "five billion, eight hundred sixty-six million, six hundred sixty-two thousand, six hundred eighty-five".