163433 has 2 divisors, whose sum is σ = 163434. Its totient is φ = 163432.

The previous prime is 163417. The next prime is 163469. The reversal of 163433 is 334361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162409 + 1024 = 403^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 163433 - 2⁴ = 163417 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (163403) 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 as a sum of consecutive naturals, namely, 81716 + 81717.

It is an arithmetic number, because the mean of its divisors is an integer number (81717).

2¹⁶³⁴³³ is an apocalyptic number.

It is an amenable number.

163433 is a deficient number, since it is larger than the sum of its proper divisors (1).

163433 is an equidigital number, since it uses as much as digits as its factorization.

163433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 20.

The square root of 163433 is about 404.2684751499. The cubic root of 163433 is about 54.6738828137.

Adding to 163433 its reverse (334361), we get a palindrome (497794).

The spelling of 163433 in words is "one hundred sixty-three thousand, four hundred thirty-three".