33668666806 has 8 divisors (see below), whose sum is σ = 52132129344. Its totient is φ = 16291290360.

The previous prime is 33668666797. The next prime is 33668666807. The reversal of 33668666806 is 60866686633.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33668666806² (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 (33668666807) 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, 271521445 + ... + 271521568.

It is an arithmetic number, because the mean of its divisors is an integer number (6516516168).

Almost surely, 2^33668666806 is an apocalyptic number.

33668666806 is a deficient number, since it is larger than the sum of its proper divisors (18463462538).

33668666806 is a wasteful number, since it uses less digits than its factorization.

33668666806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543043046.

The product of its (nonzero) digits is 26873856, while the sum is 58.

The spelling of 33668666806 in words is "thirty-three billion, six hundred sixty-eight million, six hundred sixty-six thousand, eight hundred six".