8866661086610 has 8 divisors (see below), whose sum is σ = 15959989955916. Its totient is φ = 3546664434640.

The previous prime is 8866661086597. The next prime is 8866661086631. The reversal of 8866661086610 is 166801666688.

It can be written as a sum of positive squares in 2 ways, for example, as 7858361938729 + 1008299147881 = 2803277^2 + 1004141^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 443333054321 + ... + 443333054340.

Almost surely, 2^{8866661086610} is an apocalyptic number.

8866661086610 is a deficient number, since it is larger than the sum of its proper divisors (7093328869306).

8866661086610 is a wasteful number, since it uses less digits than its factorization.

8866661086610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886666108668.

The product of its (nonzero) digits is 23887872, while the sum is 62.

The spelling of 8866661086610 in words is "eight trillion, eight hundred sixty-six billion, six hundred sixty-one million, eighty-six thousand, six hundred ten".