866514340255706 has 16 divisors (see below), whose sum is σ = 1321184835806208. Its totient is φ = 426120530425200.

The previous prime is 866514340255643. The next prime is 866514340255723. The reversal of 866514340255706 is 607552043415668.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282326930 + ... + 285379613.

It is an arithmetic number, because the mean of its divisors is an integer number (82574052237888).

Almost surely, 2^{866514340255706} is an apocalyptic number.

866514340255706 is a deficient number, since it is larger than the sum of its proper divisors (454670495550502).

866514340255706 is a wasteful number, since it uses less digits than its factorization.

866514340255706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567719117.

The product of its (nonzero) digits is 145152000, while the sum is 62.

The spelling of 866514340255706 in words is "eight hundred sixty-six trillion, five hundred fourteen billion, three hundred forty million, two hundred fifty-five thousand, seven hundred six".