6663163 has 12 divisors (see below), whose sum is σ = 7312680. Its totient is φ = 6067776.

The previous prime is 6663121. The next prime is 6663179. The reversal of 6663163 is 3613666.

It is not a de Polignac number, because 6663163 - 2⁹ = 6662651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6663103) 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, 14820 + ... + 15262.

It is an arithmetic number, because the mean of its divisors is an integer number (609390).

Almost surely, 2^6663163 is an apocalyptic number.

6663163 is a deficient number, since it is larger than the sum of its proper divisors (649517).

6663163 is a wasteful number, since it uses less digits than its factorization.

6663163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 545 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 6663163 is about 2581.3103261716. The cubic root of 6663163 is about 188.1742292329.

It can be divided in two parts, 66631 and 63, that multiplied together give a triangular number (4197753 = T₂₈₉₇).

The spelling of 6663163 in words is "six million, six hundred sixty-three thousand, one hundred sixty-three".