6418564168 has 32 divisors (see below), whose sum is σ = 12159797760. Its totient is φ = 3176125120.

The previous prime is 6418564153. The next prime is 6418564193. The reversal of 6418564168 is 8614658146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290355 + ... + 311677.

It is an arithmetic number, because the mean of its divisors is an integer number (379993680).

Almost surely, 2^6418564168 is an apocalyptic number.

It is an amenable number.

6418564168 is a deficient number, since it is larger than the sum of its proper divisors (5741233592).

6418564168 is a wasteful number, since it uses less digits than its factorization.

6418564168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21717 (or 21713 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 6418564168 is about 80115.9420340297. The cubic root of 6418564168 is about 1858.4289512616.

The spelling of 6418564168 in words is "six billion, four hundred eighteen million, five hundred sixty-four thousand, one hundred sixty-eight".