6555163 has 4 divisors (see below), whose sum is σ = 6622840. Its totient is φ = 6487488.

The previous prime is 6555139. The next prime is 6555169. The reversal of 6555163 is 3615556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6555163 - 2¹⁷ = 6424091 is a prime.

It is a Duffinian number.

6555163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6555169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33693 + ... + 33886.

It is an arithmetic number, because the mean of its divisors is an integer number (1655710).

Almost surely, 2^6555163 is an apocalyptic number.

6555163 is a deficient number, since it is larger than the sum of its proper divisors (67677).

6555163 is an equidigital number, since it uses as much as digits as its factorization.

6555163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67676.

The product of its digits is 13500, while the sum is 31.

The square root of 6555163 is about 2560.3052552381. The cubic root of 6555163 is about 187.1520111455.

The spelling of 6555163 in words is "six million, five hundred fifty-five thousand, one hundred sixty-three".