66585873411 has 12 divisors (see below), whose sum is σ = 101837218392. Its totient is φ = 41779371456.

The previous prime is 66585873337. The next prime is 66585873439. The reversal of 66585873411 is 11437858566.

It is a happy number.

66585873411 is a `hidden beast` number, since 6 + 6 + 58 + 587 + 3 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 66585873411 - 2¹⁷ = 66585742339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66585873451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217600741 + ... + 217601046.

It is an arithmetic number, because the mean of its divisors is an integer number (8486434866).

Almost surely, 2^66585873411 is an apocalyptic number.

66585873411 is a deficient number, since it is larger than the sum of its proper divisors (35251344981).

66585873411 is a wasteful number, since it uses less digits than its factorization.

66585873411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435201810 (or 435201807 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 66585873411 in words is "sixty-six billion, five hundred eighty-five million, eight hundred seventy-three thousand, four hundred eleven".