163853165 has 8 divisors (see below), whose sum is σ = 224712960. Its totient is φ = 112356432.

The previous prime is 163853159. The next prime is 163853201. The reversal of 163853165 is 561358361.

163853165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 163853165 - 2¹⁰ = 163852141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340725 + ... + 2340794.

It is an arithmetic number, because the mean of its divisors is an integer number (28089120).

Almost surely, 2^163853165 is an apocalyptic number.

It is an amenable number.

163853165 is a deficient number, since it is larger than the sum of its proper divisors (60859795).

163853165 is an equidigital number, since it uses as much as digits as its factorization.

163853165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681531.

The product of its digits is 64800, while the sum is 38.

The square root of 163853165 is about 12800.5142474824. The cubic root of 163853165 is about 547.2069586855.

The spelling of 163853165 in words is "one hundred sixty-three million, eight hundred fifty-three thousand, one hundred sixty-five".