6666648866486 has 16 divisors (see below), whose sum is σ = 11431090328064. Its totient is φ = 2856497874984.

The previous prime is 6666648866477. The next prime is 6666648866503. The reversal of 6666648866486 is 6846688466666.

It is a self number, because there is not a number n which added to its sum of digits gives 6666648866486.

It is a congruent number.

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, 53047790 + ... + 53173313.

It is an arithmetic number, because the mean of its divisors is an integer number (714443145504).

Almost surely, 2^{6666648866486} is an apocalyptic number.

6666648866486 is a deficient number, since it is larger than the sum of its proper divisors (4764441461578).

6666648866486 is a wasteful number, since it uses less digits than its factorization.

6666648866486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106225595.

The product of its digits is 13759414272, while the sum is 80.

The spelling of 6666648866486 in words is "six trillion, six hundred sixty-six billion, six hundred forty-eight million, eight hundred sixty-six thousand, four hundred eighty-six".