866085546168360 has 256 divisors, whose sum is σ = 3316468714329600. Its totient is φ = 196936698249216.

The previous prime is 866085546168313. The next prime is 866085546168373. The reversal of 866085546168360 is 63861645580668.

866085546168360 is a `hidden beast` number, since 8 + 6 + 6 + 0 + 8 + 5 + 546 + 16 + 8 + 3 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 63 ways as a sum of consecutive naturals, for example, 295332579 + ... + 298250738.

It is an arithmetic number, because the mean of its divisors is an integer number (12954955915350).

Almost surely, 2^{866085546168360} is an apocalyptic number.

It is an amenable number.

866085546168360 is an abundant number, since it is smaller than the sum of its proper divisors (2450383168161240).

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

866085546168360 is a wasteful number, since it uses less digits than its factorization.

866085546168360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593583537 (or 593583527 counting only the distinct ones).

The product of its (nonzero) digits is 1194393600, while the sum is 72.

The spelling of 866085546168360 in words is "eight hundred sixty-six trillion, eighty-five billion, five hundred forty-six million, one hundred sixty-eight thousand, three hundred sixty".