8107210465666 has 32 divisors (see below), whose sum is σ = 13418766684288. Its totient is φ = 3649687493760.

The previous prime is 8107210465649. The next prime is 8107210465721. The reversal of 8107210465666 is 6665640127018.

It is a Smith number, since the sum of its digits (52) 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3779395 + ... + 5522521.

It is an arithmetic number, because the mean of its divisors is an integer number (419336458884).

Almost surely, 2^{8107210465666} is an apocalyptic number.

8107210465666 is a deficient number, since it is larger than the sum of its proper divisors (5311556218622).

8107210465666 is a wasteful number, since it uses less digits than its factorization.

8107210465666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747546.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 8107210465666 in words is "eight trillion, one hundred seven billion, two hundred ten million, four hundred sixty-five thousand, six hundred sixty-six".