866507670466066 has 8 divisors (see below), whose sum is σ = 1318068005779584. Its totient is φ = 427151668539540.

The previous prime is 866507670466051. The next prime is 866507670466171. The reversal of 866507670466066 is 660664076705668.

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

It is a self number, because there is not a number n which added to its sum of digits gives 866507670466066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051083346570 + ... + 3051083346853.

It is an arithmetic number, because the mean of its divisors is an integer number (164758500722448).

Almost surely, 2^{866507670466066} is an apocalyptic number.

866507670466066 is a deficient number, since it is larger than the sum of its proper divisors (451560335313518).

866507670466066 is a wasteful number, since it uses less digits than its factorization.

866507670466066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102166693496.

The product of its (nonzero) digits is 2194698240, while the sum is 73.

The spelling of 866507670466066 in words is "eight hundred sixty-six trillion, five hundred seven billion, six hundred seventy million, four hundred sixty-six thousand, sixty-six".