163969033 has 8 divisors (see below), whose sum is σ = 168765120. Its totient is φ = 159242160.

The previous prime is 163969021. The next prime is 163969049. The reversal of 163969033 is 330969361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163969033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163960033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12478 + ... + 21991.

It is an arithmetic number, because the mean of its divisors is an integer number (21095640).

Almost surely, 2^163969033 is an apocalyptic number.

It is an amenable number.

163969033 is a deficient number, since it is larger than the sum of its proper divisors (4796087).

163969033 is an equidigital number, since it uses as much as digits as its factorization.

163969033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34607.

The product of its (nonzero) digits is 78732, while the sum is 40.

The square root of 163969033 is about 12805.0393595647. The cubic root of 163969033 is about 547.3359132417.

The spelling of 163969033 in words is "one hundred sixty-three million, nine hundred sixty-nine thousand, thirty-three".