801171163 has 4 divisors (see below), whose sum is σ = 862799728. Its totient is φ = 739542600.

The previous prime is 801171149. The next prime is 801171169. The reversal of 801171163 is 361171108.

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 801171163 - 2⁹ = 801170651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801171169) 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, 30814263 + ... + 30814288.

It is an arithmetic number, because the mean of its divisors is an integer number (215699932).

Almost surely, 2^801171163 is an apocalyptic number.

801171163 is a deficient number, since it is larger than the sum of its proper divisors (61628565).

801171163 is a wasteful number, since it uses less digits than its factorization.

801171163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61628564.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 801171163 is about 28304.9671082656. The cubic root of 801171163 is about 928.7705506014.

The spelling of 801171163 in words is "eight hundred one million, one hundred seventy-one thousand, one hundred sixty-three".