6664163 has 8 divisors (see below), whose sum is σ = 7504896. Its totient is φ = 5862600.

The previous prime is 6664159. The next prime is 6664169. The reversal of 6664163 is 3614666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6664163 - 2² = 6664159 is a prime.

It is a super-2 number, since 2×6664163² = 88822136981138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6664169) 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, 9431 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (938112).

Almost surely, 2^6664163 is an apocalyptic number.

6664163 is a deficient number, since it is larger than the sum of its proper divisors (840733).

6664163 is a wasteful number, since it uses less digits than its factorization.

6664163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19585.

The product of its digits is 15552, while the sum is 32.

The square root of 6664163 is about 2581.5040189781. The cubic root of 6664163 is about 188.1836424208.

The spelling of 6664163 in words is "six million, six hundred sixty-four thousand, one hundred sixty-three".