6223666655 has 16 divisors (see below), whose sum is σ = 7772224320. Its totient is φ = 4778441472.

The previous prime is 6223666643. The next prime is 6223666679. The reversal of 6223666655 is 5566663226.

6223666655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6223666655 - 2⁶ = 6223666591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104294 + ... + 152723.

It is an arithmetic number, because the mean of its divisors is an integer number (485764020).

Almost surely, 2^6223666655 is an apocalyptic number.

6223666655 is a deficient number, since it is larger than the sum of its proper divisors (1548557665).

6223666655 is a wasteful number, since it uses less digits than its factorization.

6223666655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257218.

The product of its digits is 2332800, while the sum is 47.

The square root of 6223666655 is about 78890.2190071748. The cubic root of 6223666655 is about 1839.4250975464.

The spelling of 6223666655 in words is "six billion, two hundred twenty-three million, six hundred sixty-six thousand, six hundred fifty-five".