33601666066 has 8 divisors (see below), whose sum is σ = 50516275824. Its totient is φ = 16762907460.

The previous prime is 33601666061. The next prime is 33601666073. The reversal of 33601666066 is 66066610633.

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

It is a super-2 number, since 2×33601666066² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33601666061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18961680 + ... + 18963451.

It is an arithmetic number, because the mean of its divisors is an integer number (6314534478).

Almost surely, 2^33601666066 is an apocalyptic number.

33601666066 is a deficient number, since it is larger than the sum of its proper divisors (16914609758).

33601666066 is a wasteful number, since it uses less digits than its factorization.

33601666066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37925576.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 33601666066 in words is "thirty-three billion, six hundred one million, six hundred sixty-six thousand, sixty-six".