66882588705 has 16 divisors (see below), whose sum is σ = 118902380160. Its totient is φ = 35670713904.

The previous prime is 66882588673. The next prime is 66882588709. The reversal of 66882588705 is 50788528866.

It is not a de Polignac number, because 66882588705 - 2⁵ = 66882588673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66882588709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247713157 + ... + 247713426.

It is an arithmetic number, because the mean of its divisors is an integer number (7431398760).

Almost surely, 2^66882588705 is an apocalyptic number.

It is an amenable number.

66882588705 is a deficient number, since it is larger than the sum of its proper divisors (52019791455).

66882588705 is a wasteful number, since it uses less digits than its factorization.

66882588705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495426597 (or 495426591 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 66882588705 in words is "sixty-six billion, eight hundred eighty-two million, five hundred eighty-eight thousand, seven hundred five".