66634003301 has 16 divisors (see below), whose sum is σ = 70878843648. Its totient is φ = 62425728000.

The previous prime is 66634003253. The next prime is 66634003357. The reversal of 66634003301 is 10330043666.

It is a cyclic number.

It is not a de Polignac number, because 66634003301 - 2¹⁸ = 66633741157 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66634003361) 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, 5526986 + ... + 5539028.

It is an arithmetic number, because the mean of its divisors is an integer number (4429927728).

Almost surely, 2^66634003301 is an apocalyptic number.

It is an amenable number.

66634003301 is a deficient number, since it is larger than the sum of its proper divisors (4244840347).

66634003301 is a wasteful number, since it uses less digits than its factorization.

66634003301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13532.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 66634003301 its reverse (10330043666), we get a palindrome (76964046967).

The spelling of 66634003301 in words is "sixty-six billion, six hundred thirty-four million, three thousand, three hundred one".