5866072661 has 2 divisors, whose sum is σ = 5866072662. Its totient is φ = 5866072660.

The previous prime is 5866072603. The next prime is 5866072669. The reversal of 5866072661 is 1662706685.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3695910436 + 2170162225 = 60794^2 + 46585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5866072661 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5866072669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2933036330 + 2933036331.

It is an arithmetic number, because the mean of its divisors is an integer number (2933036331).

Almost surely, 2^5866072661 is an apocalyptic number.

It is an amenable number.

5866072661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5866072661 is an equidigital number, since it uses as much as digits as its factorization.

5866072661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 5866072661 is about 76590.2909055711. The cubic root of 5866072661 is about 1803.4986132290.

The spelling of 5866072661 in words is "five billion, eight hundred sixty-six million, seventy-two thousand, six hundred sixty-one".