666008800666 has 16 divisors (see below), whose sum is σ = 1089856731168. Its totient is φ = 302724565200.

The previous prime is 666008800609. The next prime is 666008800729.

666008800666 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

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, 759481 + ... + 1381603.

It is an arithmetic number, because the mean of its divisors is an integer number (68116045698).

Almost surely, 2^666008800666 is an apocalyptic number.

666008800666 is a deficient number, since it is larger than the sum of its proper divisors (423847930502).

666008800666 is a wasteful number, since it uses less digits than its factorization.

666008800666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670797.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 666008800666 in words is "six hundred sixty-six billion, eight million, eight hundred thousand, six hundred sixty-six".