163209233 has 16 divisors (see below), whose sum is σ = 184246272. Its totient is φ = 143280000.

The previous prime is 163209223. The next prime is 163209269. The reversal of 163209233 is 332902361.

It is a cyclic number.

It is not a de Polignac number, because 163209233 - 2⁴ = 163209217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163209196 and 163209205.

It is not an unprimeable number, because it can be changed into a prime (163209223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43760 + ... + 47342.

It is an arithmetic number, because the mean of its divisors is an integer number (11515392).

Almost surely, 2^163209233 is an apocalyptic number.

It is an amenable number.

163209233 is a deficient number, since it is larger than the sum of its proper divisors (21037039).

163209233 is a wasteful number, since it uses less digits than its factorization.

163209233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 163209233 is about 12775.3369035811. The cubic root of 163209233 is about 546.4891886608.

The spelling of 163209233 in words is "one hundred sixty-three million, two hundred nine thousand, two hundred thirty-three".