6652664662566 has 32 divisors (see below), whose sum is σ = 14329027853280. Its totient is φ = 2046943505664.

The previous prime is 6652664662517. The next prime is 6652664662573.

It is a happy number.

6652664662566 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6652664662566² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6652664662497 and 6652664662506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5005506 + ... + 6193578.

It is an arithmetic number, because the mean of its divisors is an integer number (447782120415).

Almost surely, 2^{6652664662566} is an apocalyptic number.

6652664662566 is an abundant number, since it is smaller than the sum of its proper divisors (7676363190714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6652664662566 is a wasteful number, since it uses less digits than its factorization.

6652664662566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259880.

The product of its digits is 671846400, while the sum is 66.

The spelling of 6652664662566 in words is "six trillion, six hundred fifty-two billion, six hundred sixty-four million, six hundred sixty-two thousand, five hundred sixty-six".