6482664668666 has 16 divisors (see below), whose sum is σ = 9810683101800. Its totient is φ = 3212440670208.

The previous prime is 6482664668653. The next prime is 6482664668677. The reversal of 6482664668666 is 6668664662846.

It can be written as a sum of positive squares in 4 ways, for example, as 6466955806441 + 15708862225 = 2543021^2 + 125335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6482664668593 and 6482664668602.

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, 2614490 + ... + 4449818.

Almost surely, 2^{6482664668666} is an apocalyptic number.

6482664668666 is a deficient number, since it is larger than the sum of its proper divisors (3328018433134).

6482664668666 is a wasteful number, since it uses less digits than its factorization.

6482664668666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851073.

The product of its digits is 3439853568, while the sum is 74.

The spelling of 6482664668666 in words is "six trillion, four hundred eighty-two billion, six hundred sixty-four million, six hundred sixty-eight thousand, six hundred sixty-six".