163320033 has 8 divisors (see below), whose sum is σ = 227227968. Its totient is φ = 104146064.

The previous prime is 163320023. The next prime is 163320049. The reversal of 163320033 is 330023361.

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 163320033 - 2⁹ = 163319521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163319991 and 163320009.

It is not an unprimeable number, because it can be changed into a prime (163320023) 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, 1183410 + ... + 1183547.

It is an arithmetic number, because the mean of its divisors is an integer number (28403496).

Almost surely, 2^163320033 is an apocalyptic number.

It is an amenable number.

163320033 is a deficient number, since it is larger than the sum of its proper divisors (63907935).

163320033 is a wasteful number, since it uses less digits than its factorization.

163320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366983.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 163320033 is about 12779.6726483897. The cubic root of 163320033 is about 546.6128281221.

Adding to 163320033 its reverse (330023361), we get a palindrome (493343394).

The spelling of 163320033 in words is "one hundred sixty-three million, three hundred twenty thousand, thirty-three".