501191163 has 24 divisors (see below), whose sum is σ = 790536240. Its totient is φ = 303452160.

The previous prime is 501191153. The next prime is 501191179. The reversal of 501191163 is 361191105.

It is not a de Polignac number, because 501191163 - 2¹² = 501187067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501191113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137695 + ... + 141287.

It is an arithmetic number, because the mean of its divisors is an integer number (32939010).

Almost surely, 2^501191163 is an apocalyptic number.

501191163 is a deficient number, since it is larger than the sum of its proper divisors (289345077).

501191163 is a wasteful number, since it uses less digits than its factorization.

501191163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019 (or 5016 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 501191163 is about 22387.2991448276. The cubic root of 501191163 is about 794.3303105976.

The spelling of 501191163 in words is "five hundred one million, one hundred ninety-one thousand, one hundred sixty-three".