66588975937 has 16 divisors (see below), whose sum is σ = 72937314432. Its totient is φ = 60290120320.

The previous prime is 66588975931. The next prime is 66588975967. The reversal of 66588975937 is 73957988566.

It is a cyclic number.

It is not a de Polignac number, because 66588975937 - 2³⁵ = 32229237569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66588975937.

It is not an unprimeable number, because it can be changed into a prime (66588975931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4151988 + ... + 4167994.

It is an arithmetic number, because the mean of its divisors is an integer number (4558582152).

Almost surely, 2^66588975937 is an apocalyptic number.

It is an amenable number.

66588975937 is a deficient number, since it is larger than the sum of its proper divisors (6348338495).

66588975937 is a wasteful number, since it uses less digits than its factorization.

66588975937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17528.

The product of its digits is 685843200, while the sum is 73.

The spelling of 66588975937 in words is "sixty-six billion, five hundred eighty-eight million, nine hundred seventy-five thousand, nine hundred thirty-seven".