6654884884566 has 32 divisors (see below), whose sum is σ = 13370693027328. Its totient is φ = 2208146498880.

The previous prime is 6654884884561. The next prime is 6654884884579.

6654884884566 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6654884884491 and 6654884884500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654884884561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4255911 + ... + 5605581.

It is an arithmetic number, because the mean of its divisors is an integer number (417834157104).

Almost surely, 2^{6654884884566} is an apocalyptic number.

6654884884566 is an abundant number, since it is smaller than the sum of its proper divisors (6715808142762).

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

6654884884566 is a wasteful number, since it uses less digits than its factorization.

6654884884566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353436.

The product of its digits is 8493465600, while the sum is 78.

The spelling of 6654884884566 in words is "six trillion, six hundred fifty-four billion, eight hundred eighty-four million, eight hundred eighty-four thousand, five hundred sixty-six".