33206163221 has 48 divisors (see below), whose sum is σ = 43707009024. Its totient is φ = 24647700000.

The previous prime is 33206163157. The next prime is 33206163229. The reversal of 33206163221 is 12236160233.

It is not a de Polignac number, because 33206163221 - 2⁶ = 33206163157 is a prime.

It is a super-2 number, since 2×33206163221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33206163229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4886336 + ... + 4893126.

It is an arithmetic number, because the mean of its divisors is an integer number (910562688).

Almost surely, 2^33206163221 is an apocalyptic number.

It is an amenable number.

33206163221 is a deficient number, since it is larger than the sum of its proper divisors (10500845803).

33206163221 is a wasteful number, since it uses less digits than its factorization.

33206163221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 33206163221 in words is "thirty-three billion, two hundred six million, one hundred sixty-three thousand, two hundred twenty-one".