66611024485 has 8 divisors (see below), whose sum is σ = 81288030240. Its totient is φ = 52385619024.

The previous prime is 66611024479. The next prime is 66611024489. The reversal of 66611024485 is 58442011666.

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 66611024485 - 2²⁹ = 66074153573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66611024489) 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, 112899747 + ... + 112900336.

It is an arithmetic number, because the mean of its divisors is an integer number (10161003780).

Almost surely, 2^66611024485 is an apocalyptic number.

It is an amenable number.

66611024485 is a deficient number, since it is larger than the sum of its proper divisors (14677005755).

66611024485 is a wasteful number, since it uses less digits than its factorization.

66611024485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225800147.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 66611024485 in words is "sixty-six billion, six hundred eleven million, twenty-four thousand, four hundred eighty-five".