66733733674068 has 12 divisors (see below), whose sum is σ = 155712045239520. Its totient is φ = 22244577891352.

The previous prime is 66733733674057. The next prime is 66733733674093. The reversal of 66733733674068 is 86047633733766.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 66733733673993 and 66733733674011.

It is a congruent number.

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, 2780572236408 + ... + 2780572236431.

It is an arithmetic number, because the mean of its divisors is an integer number (12976003769960).

Almost surely, 2^{66733733674068} is an apocalyptic number.

It is an amenable number.

66733733674068 is an abundant number, since it is smaller than the sum of its proper divisors (88978311565452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66733733674068 is a wasteful number, since it uses less digits than its factorization.

66733733674068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561144472846 (or 5561144472844 counting only the distinct ones).

The product of its (nonzero) digits is 1152216576, while the sum is 69.

The spelling of 66733733674068 in words is "sixty-six trillion, seven hundred thirty-three billion, seven hundred thirty-three million, six hundred seventy-four thousand, sixty-eight".