163330211 has 8 divisors (see below), whose sum is σ = 182322624. Its totient is φ = 145028520.

The previous prime is 163330201. The next prime is 163330229. The reversal of 163330211 is 112033361.

It is a happy number.

163330211 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 163330211 - 2²⁶ = 96221347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163330201) 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, 172181 + ... + 173126.

It is an arithmetic number, because the mean of its divisors is an integer number (22790328).

Almost surely, 2^163330211 is an apocalyptic number.

163330211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

163330211 is a deficient number, since it is larger than the sum of its proper divisors (18992413).

163330211 is a wasteful number, since it uses less digits than its factorization.

163330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345361.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 163330211 is about 12780.0708526987. The cubic root of 163330211 is about 546.6241827402.

Adding to 163330211 its reverse (112033361), we get a palindrome (275363572).

The spelling of 163330211 in words is "one hundred sixty-three million, three hundred thirty thousand, two hundred eleven".