229664163 has 4 divisors (see below), whose sum is σ = 306218888. Its totient is φ = 153109440.

The previous prime is 229664159. The next prime is 229664209. The reversal of 229664163 is 361466922.

229664163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 229664163 - 2² = 229664159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229664663) 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, 38277358 + ... + 38277363.

It is an arithmetic number, because the mean of its divisors is an integer number (76554722).

Almost surely, 2^229664163 is an apocalyptic number.

229664163 is a deficient number, since it is larger than the sum of its proper divisors (76554725).

229664163 is an equidigital number, since it uses as much as digits as its factorization.

229664163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76554724.

The product of its digits is 93312, while the sum is 39.

The square root of 229664163 is about 15154.6746253425. The cubic root of 229664163 is about 612.3942123561.

The spelling of 229664163 in words is "two hundred twenty-nine million, six hundred sixty-four thousand, one hundred sixty-three".