33668357488 has 20 divisors (see below), whose sum is σ = 67336715968. Its totient is φ = 16291140480.

The previous prime is 33668357483. The next prime is 33668357531. The reversal of 33668357488 is 88475386633.

33668357488 is an admirable number.

It is a super-2 number, since 2×33668357488² (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 (33668357483) 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, 33939381 + ... + 33940372.

Almost surely, 2^33668357488 is an apocalyptic number.

It is an amenable number.

33668357488 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33668357488 is a wasteful number, since it uses less digits than its factorization.

33668357488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67879792 (or 67879786 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 61.

The spelling of 33668357488 in words is "thirty-three billion, six hundred sixty-eight million, three hundred fifty-seven thousand, four hundred eighty-eight".