33366686872 has 8 divisors (see below), whose sum is σ = 62562537900. Its totient is φ = 16683343432.

The previous prime is 33366686869. The next prime is 33366686897. The reversal of 33366686872 is 27868666333.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33366686872² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085417922 + ... + 2085417937.

Almost surely, 2^33366686872 is an apocalyptic number.

It is an amenable number.

33366686872 is a deficient number, since it is larger than the sum of its proper divisors (29195851028).

33366686872 is a wasteful number, since it uses less digits than its factorization.

33366686872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170835865 (or 4170835861 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 58.

The spelling of 33366686872 in words is "thirty-three billion, three hundred sixty-six million, six hundred eighty-six thousand, eight hundred seventy-two".