33072163 has 4 divisors (see below), whose sum is σ = 33240240. Its totient is φ = 32904088.

The previous prime is 33072121. The next prime is 33072181. The reversal of 33072163 is 36127033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36127033 = 179 ⋅201827.

It is a cyclic number.

It is not a de Polignac number, because 33072163 - 2⁹ = 33071651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33072113) 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, 83743 + ... + 84136.

It is an arithmetic number, because the mean of its divisors is an integer number (8310060).

Almost surely, 2^33072163 is an apocalyptic number.

33072163 is a deficient number, since it is larger than the sum of its proper divisors (168077).

33072163 is a wasteful number, since it uses less digits than its factorization.

33072163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168076.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 33072163 is about 5750.8401994839. The cubic root of 33072163 is about 320.9870661158.

Adding to 33072163 its reverse (36127033), we get a palindrome (69199196).

The spelling of 33072163 in words is "thirty-three million, seventy-two thousand, one hundred sixty-three".