33686668538716 has 6 divisors (see below), whose sum is σ = 58951669942760. Its totient is φ = 16843334269356.

The previous prime is 33686668538683. The next prime is 33686668538717. The reversal of 33686668538716 is 61783586668633.

It is a super-2 number, since 2×33686668538716² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33686668538717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4210833567336 + ... + 4210833567343.

Almost surely, 2^{33686668538716} is an apocalyptic number.

It is an amenable number.

33686668538716 is a deficient number, since it is larger than the sum of its proper divisors (25265001404044).

33686668538716 is a wasteful number, since it uses less digits than its factorization.

33686668538716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421667134683 (or 8421667134681 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 76.

The spelling of 33686668538716 in words is "thirty-three trillion, six hundred eighty-six billion, six hundred sixty-eight million, five hundred thirty-eight thousand, seven hundred sixteen".