866507670466057 has 8 divisors (see below), whose sum is σ = 866799255168000. Its totient is φ = 866216105781984.

The previous prime is 866507670466051. The next prime is 866507670466171. The reversal of 866507670466057 is 750664076705668.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-866507670466057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866507670466051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81836928 + ... + 91816654.

It is an arithmetic number, because the mean of its divisors is an integer number (108349906896000).

Almost surely, 2^{866507670466057} is an apocalyptic number.

It is an amenable number.

866507670466057 is a deficient number, since it is larger than the sum of its proper divisors (291584701943).

866507670466057 is a wasteful number, since it uses less digits than its factorization.

866507670466057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008935.

The product of its (nonzero) digits is 2133734400, while the sum is 73.

The spelling of 866507670466057 in words is "eight hundred sixty-six trillion, five hundred seven billion, six hundred seventy million, four hundred sixty-six thousand, fifty-seven".