33333081968 has 20 divisors (see below), whose sum is σ = 64994206920. Its totient is φ = 16560383424.

The previous prime is 33333081967. The next prime is 33333081989. The reversal of 33333081968 is 86918033333.

It is a happy number.

It is a super-2 number, since 2×33333081968² (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 (33333081961) 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, 6632258 + ... + 6637281.

It is an arithmetic number, because the mean of its divisors is an integer number (3249710346).

Almost surely, 2^33333081968 is an apocalyptic number.

It is an amenable number.

33333081968 is a deficient number, since it is larger than the sum of its proper divisors (31661124952).

33333081968 is a wasteful number, since it uses less digits than its factorization.

33333081968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269704 (or 13269698 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 33333081968 in words is "thirty-three billion, three hundred thirty-three million, eighty-one thousand, nine hundred sixty-eight".