6401163 has 16 divisors (see below), whose sum is σ = 9088416. Its totient is φ = 3993600.

The previous prime is 6401149. The next prime is 6401179. The reversal of 6401163 is 3611046.

It is not a de Polignac number, because 6401163 - 2¹⁰ = 6400139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6401123) 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 15 ways as a sum of consecutive naturals, for example, 15763 + ... + 16163.

It is an arithmetic number, because the mean of its divisors is an integer number (568026).

Almost surely, 2^6401163 is an apocalyptic number.

6401163 is a deficient number, since it is larger than the sum of its proper divisors (2687253).

6401163 is a wasteful number, since it uses less digits than its factorization.

6401163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 6401163 is about 2530.0519757507. The cubic root of 6401163 is about 185.6747988463.

The spelling of 6401163 in words is "six million, four hundred one thousand, one hundred sixty-three".