163233533 has 4 divisors (see below), whose sum is σ = 163286880. Its totient is φ = 163180188.

The previous prime is 163233517. The next prime is 163233557. The reversal of 163233533 is 335332361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163233533 - 2⁴ = 163233517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163233496 and 163233505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163233563) 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, 21785 + ... + 28302.

It is an arithmetic number, because the mean of its divisors is an integer number (40821720).

Almost surely, 2^163233533 is an apocalyptic number.

It is an amenable number.

163233533 is a deficient number, since it is larger than the sum of its proper divisors (53347).

163233533 is an equidigital number, since it uses as much as digits as its factorization.

163233533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53346.

The product of its digits is 14580, while the sum is 29.

The square root of 163233533 is about 12776.2879194232. The cubic root of 163233533 is about 546.5163093248.

Adding to 163233533 its reverse (335332361), we get a palindrome (498565894).

The spelling of 163233533 in words is "one hundred sixty-three million, two hundred thirty-three thousand, five hundred thirty-three".