33818409668 has 12 divisors (see below), whose sum is σ = 59357834172. Its totient is φ = 16859028480.

The previous prime is 33818409617. The next prime is 33818409679. The reversal of 33818409668 is 86690481833.

It can be written as a sum of positive squares in 2 ways, for example, as 15121129024 + 18697280644 = 122968^2 + 136738^2 .

It is a super-2 number, since 2×33818409668² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12542573 + ... + 12545268.

It is an arithmetic number, because the mean of its divisors is an integer number (4946486181).

Almost surely, 2^33818409668 is an apocalyptic number.

It is an amenable number.

33818409668 is a deficient number, since it is larger than the sum of its proper divisors (25539424504).

33818409668 is a wasteful number, since it uses less digits than its factorization.

33818409668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25088182 (or 25088180 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 33818409668 in words is "thirty-three billion, eight hundred eighteen million, four hundred nine thousand, six hundred sixty-eight".