5866366636685 has 8 divisors (see below), whose sum is σ = 7065053828376. Its totient is φ = 4676150733120.

The previous prime is 5866366636621. The next prime is 5866366636729.

5866366636685 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 41968439044 + 5824398197641 = 204862^2 + 2413379^2 .

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

It is not a de Polignac number, because 5866366636685 - 2⁶ = 5866366636621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117820506 + ... + 2117823275.

It is an arithmetic number, because the mean of its divisors is an integer number (883131728547).

Almost surely, 2^{5866366636685} is an apocalyptic number.

It is an amenable number.

5866366636685 is a deficient number, since it is larger than the sum of its proper divisors (1198687191691).

5866366636685 is a wasteful number, since it uses less digits than its factorization.

5866366636685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235644063.

The product of its digits is 4031078400, while the sum is 74.

The spelling of 5866366636685 in words is "five trillion, eight hundred sixty-six billion, three hundred sixty-six million, six hundred thirty-six thousand, six hundred eighty-five".