66504060529 has 8 divisors (see below), whose sum is σ = 67464288000. Its totient is φ = 65546793312.

The previous prime is 66504060523. The next prime is 66504060533. The reversal of 66504060529 is 92506040566.

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 66504060529 - 2¹⁹ = 66503536241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66504060523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694789 + ... + 784690.

It is an arithmetic number, because the mean of its divisors is an integer number (8433036000).

Almost surely, 2^66504060529 is an apocalyptic number.

It is an amenable number.

66504060529 is a deficient number, since it is larger than the sum of its proper divisors (960227471).

66504060529 is a wasteful number, since it uses less digits than its factorization.

66504060529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480127.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 66504060529 in words is "sixty-six billion, five hundred four million, sixty thousand, five hundred twenty-nine".