6654884566 has 24 divisors (see below), whose sum is σ = 11617746840. Its totient is φ = 2847007680.

The previous prime is 6654884563. The next prime is 6654884567.

6654884566 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6654884566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654884563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804696 + ... + 812923.

It is an arithmetic number, because the mean of its divisors is an integer number (484072785).

Almost surely, 2^6654884566 is an apocalyptic number.

6654884566 is a deficient number, since it is larger than the sum of its proper divisors (4962862274).

6654884566 is a wasteful number, since it uses less digits than its factorization.

6654884566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617660 (or 1617649 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 58.

The square root of 6654884566 is about 81577.4758496486. The cubic root of 6654884566 is about 1880.9626658345.

The spelling of 6654884566 in words is "six billion, six hundred fifty-four million, eight hundred eighty-four thousand, five hundred sixty-six".