33081043968 has 264 divisors, whose sum is σ = 110565511680. Its totient is φ = 9330647040.

The previous prime is 33081043951. The next prime is 33081043979. The reversal of 33081043968 is 86934018033.

It is a super-3 number, since 3×33081043968³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5093203 + ... + 5099693.

Almost surely, 2^33081043968 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 33081043968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55282755840).

33081043968 is an abundant number, since it is smaller than the sum of its proper divisors (77484467712).

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

33081043968 is a wasteful number, since it uses less digits than its factorization.

33081043968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603 (or 6582 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 33081043968 in words is "thirty-three billion, eighty-one million, forty-three thousand, nine hundred sixty-eight".