66383353733 has 16 divisors (see below), whose sum is σ = 69560042112. Its totient is φ = 63231168000.

The previous prime is 66383353721. The next prime is 66383353739. The reversal of 66383353733 is 33735338366.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66383353733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66383353739) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 17648573 + ... + 17652333.

It is an arithmetic number, because the mean of its divisors is an integer number (4347502632).

Almost surely, 2^66383353733 is an apocalyptic number.

It is an amenable number.

66383353733 is a deficient number, since it is larger than the sum of its proper divisors (3176688379).

66383353733 is a wasteful number, since it uses less digits than its factorization.

66383353733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796.

The product of its digits is 7348320, while the sum is 50.

The spelling of 66383353733 in words is "sixty-six billion, three hundred eighty-three million, three hundred fifty-three thousand, seven hundred thirty-three".