6656648466566 has 8 divisors (see below), whose sum is σ = 11411397371280. Its totient is φ = 2852849342808.

The previous prime is 6656648466553. The next prime is 6656648466619.

6656648466566 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 6656648466493 and 6656648466502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237737445221 + ... + 237737445248.

It is an arithmetic number, because the mean of its divisors is an integer number (1426424671410).

Almost surely, 2^{6656648466566} is an apocalyptic number.

6656648466566 is a deficient number, since it is larger than the sum of its proper divisors (4754748904714).

6656648466566 is a wasteful number, since it uses less digits than its factorization.

6656648466566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475474890478.

The product of its digits is 5374771200, while the sum is 74.

The spelling of 6656648466566 in words is "six trillion, six hundred fifty-six billion, six hundred forty-eight million, four hundred sixty-six thousand, five hundred sixty-six".