66000567105 has 48 divisors (see below), whose sum is σ = 124824510720. Its totient is φ = 31994265600.

The previous prime is 66000567043. The next prime is 66000567109. The reversal of 66000567105 is 50176500066.

It is a happy number.

It is not a de Polignac number, because 66000567105 - 2⁶ = 66000567041 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66000567105.

It is not an unprimeable number, because it can be changed into a prime (66000567109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3793416 + ... + 3810774.

It is an arithmetic number, because the mean of its divisors is an integer number (2600510640).

Almost surely, 2^66000567105 is an apocalyptic number.

It is an amenable number.

66000567105 is a deficient number, since it is larger than the sum of its proper divisors (58823943615).

66000567105 is a wasteful number, since it uses less digits than its factorization.

66000567105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062 (or 25059 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 66000567105 in words is "sixty-six billion, five hundred sixty-seven thousand, one hundred five".