66329204801 has 8 divisors (see below), whose sum is σ = 70072279680. Its totient is φ = 62611336368.

The previous prime is 66329204797. The next prime is 66329204891. The reversal of 66329204801 is 10840292366.

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

It is a cyclic number.

It is not a de Polignac number, because 66329204801 - 2² = 66329204797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66329204891) 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 7 ways as a sum of consecutive naturals, for example, 6296201 + ... + 6306726.

It is an arithmetic number, because the mean of its divisors is an integer number (8759034960).

Almost surely, 2^66329204801 is an apocalyptic number.

It is an amenable number.

66329204801 is a deficient number, since it is larger than the sum of its proper divisors (3743074879).

66329204801 is a wasteful number, since it uses less digits than its factorization.

66329204801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12603223.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 66329204801 in words is "sixty-six billion, three hundred twenty-nine million, two hundred four thousand, eight hundred one".