33055920181 has 8 divisors (see below), whose sum is σ = 35522781120. Its totient is φ = 30647103168.

The previous prime is 33055920179. The next prime is 33055920199. The reversal of 33055920181 is 18102955033.

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 not a de Polignac number, because 33055920181 - 2¹ = 33055920179 is a prime.

It is a super-2 number, since 2×33055920181² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33055920181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33055920581) 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, 14509801 + ... + 14512078.

It is an arithmetic number, because the mean of its divisors is an integer number (4440347640).

Almost surely, 2^33055920181 is an apocalyptic number.

It is an amenable number.

33055920181 is a deficient number, since it is larger than the sum of its proper divisors (2466860939).

33055920181 is a wasteful number, since it uses less digits than its factorization.

33055920181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29021963.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 33055920181 in words is "thirty-three billion, fifty-five million, nine hundred twenty thousand, one hundred eighty-one".