6533163 has 32 divisors (see below), whose sum is σ = 11916800. Its totient is φ = 3444768.

The previous prime is 6533159. The next prime is 6533167. The reversal of 6533163 is 3613356.

6533163 is a `hidden beast` number, since 653 + 3 + 1 + 6 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (6533159) and next prime (6533167).

It is not a de Polignac number, because 6533163 - 2² = 6533159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6533167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1128 + ... + 3786.

It is an arithmetic number, because the mean of its divisors is an integer number (372400).

Almost surely, 2^6533163 is an apocalyptic number.

6533163 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6533163 is a deficient number, since it is larger than the sum of its proper divisors (5383637).

6533163 is a wasteful number, since it uses less digits than its factorization.

6533163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2682 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 6533163 is about 2556.0052816847. The cubic root of 6533163 is about 186.9424074600.

Subtracting from 6533163 its sum of digits (27), we obtain a square (6533136 = 2556²).

The spelling of 6533163 in words is "six million, five hundred thirty-three thousand, one hundred sixty-three".