163927233 has 20 divisors (see below), whose sum is σ = 255528768. Its totient is φ = 104532120.

The previous prime is 163927219. The next prime is 163927273. The reversal of 163927233 is 332729361.

It is not a de Polignac number, because 163927233 - 2⁴ = 163927217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163927273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42133 + ... + 45858.

Almost surely, 2^163927233 is an apocalyptic number.

It is an amenable number.

163927233 is a deficient number, since it is larger than the sum of its proper divisors (91601535).

163927233 is an equidigital number, since it uses as much as digits as its factorization.

163927233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88026 (or 88017 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 163927233 is about 12803.4070856159. The cubic root of 163927233 is about 547.2893992036.

The spelling of 163927233 in words is "one hundred sixty-three million, nine hundred twenty-seven thousand, two hundred thirty-three".