6654554566 has 16 divisors (see below), whose sum is σ = 11462391360. Its totient is φ = 2865597480.

The previous prime is 6654554563. The next prime is 6654554587.

6654554566 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654554561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7959576 + ... + 7960411.

It is an arithmetic number, because the mean of its divisors is an integer number (716399460).

Almost surely, 2^6654554566 is an apocalyptic number.

6654554566 is a deficient number, since it is larger than the sum of its proper divisors (4807836794).

6654554566 is a wasteful number, since it uses less digits than its factorization.

6654554566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15920019.

The product of its digits is 12960000, while the sum is 52.

The square root of 6654554566 is about 81575.4532074447. The cubic root of 6654554566 is about 1880.9315744893.

The spelling of 6654554566 in words is "six billion, six hundred fifty-four million, five hundred fifty-four thousand, five hundred sixty-six".