320163841 has 8 divisors (see below), whose sum is σ = 335934144. Its totient is φ = 304547760.

The previous prime is 320163821. The next prime is 320163919. The reversal of 320163841 is 148361023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320163841 - 2¹⁹ = 319639553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320163821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34291 + ... + 42616.

It is an arithmetic number, because the mean of its divisors is an integer number (41991768).

Almost surely, 2^320163841 is an apocalyptic number.

It is an amenable number.

320163841 is a deficient number, since it is larger than the sum of its proper divisors (15770303).

320163841 is a wasteful number, since it uses less digits than its factorization.

320163841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77111.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 320163841 is about 17893.1227291381. The cubic root of 320163841 is about 684.1070938239.

The spelling of 320163841 in words is "three hundred twenty million, one hundred sixty-three thousand, eight hundred forty-one".