5865316866 has 32 divisors (see below), whose sum is σ = 13057012800. Its totient is φ = 1951659360.

The previous prime is 5865316823. The next prime is 5865316879. The reversal of 5865316866 is 6686135685.

5865316866 is a `hidden beast` number, since 586 + 53 + 1 + 6 + 8 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64720 + ... + 126171.

It is an arithmetic number, because the mean of its divisors is an integer number (408031650).

Almost surely, 2^5865316866 is an apocalyptic number.

5865316866 is an abundant number, since it is smaller than the sum of its proper divisors (7191695934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5865316866 is a wasteful number, since it uses less digits than its factorization.

5865316866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191471 (or 191465 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 5865316866 is about 76585.3567335166. The cubic root of 5865316866 is about 1803.4211546033.

The spelling of 5865316866 in words is "five billion, eight hundred sixty-five million, three hundred sixteen thousand, eight hundred sixty-six".