33066163 has 4 divisors (see below), whose sum is σ = 35609728. Its totient is φ = 30522600.

The previous prime is 33066151. The next prime is 33066169. The reversal of 33066163 is 36166033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36166033 = 211 ⋅171403.

It is a cyclic number.

It is not a de Polignac number, because 33066163 - 2²¹ = 30969011 is a prime.

It is a super-2 number, since 2×33066163² = 2186742271085138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33066169) 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, 1271763 + ... + 1271788.

It is an arithmetic number, because the mean of its divisors is an integer number (8902432).

Almost surely, 2^33066163 is an apocalyptic number.

33066163 is a deficient number, since it is larger than the sum of its proper divisors (2543565).

33066163 is a wasteful number, since it uses less digits than its factorization.

33066163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543564.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 33066163 is about 5750.3185129173. The cubic root of 33066163 is about 320.9676536280.

The spelling of 33066163 in words is "thirty-three million, sixty-six thousand, one hundred sixty-three".