33081123168 has 120 divisors (see below), whose sum is σ = 97420293432. Its totient is φ = 11012350464.

The previous prime is 33081123161. The next prime is 33081123197. The reversal of 33081123168 is 86132118033.

33081123168 is a `hidden beast` number, since 330 + 8 + 1 + 1 + 2 + 316 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33081123161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2031796 + ... + 2048012.

Almost surely, 2^33081123168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33081123168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48710146716).

33081123168 is an abundant number, since it is smaller than the sum of its proper divisors (64339170264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33081123168 is a wasteful number, since it uses less digits than its factorization.

33081123168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17026 (or 17009 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 33081123168 in words is "thirty-three billion, eighty-one million, one hundred twenty-three thousand, one hundred sixty-eight".