66086888676 has 24 divisors (see below), whose sum is σ = 154283910144. Its totient is φ = 22017367200.

The previous prime is 66086888671. The next prime is 66086888683. The reversal of 66086888676 is 67688868066.

It is a self number, because there is not a number n which added to its sum of digits gives 66086888676.

It is not an unprimeable number, because it can be changed into a prime (66086888671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425700 + ... + 1471323.

It is an arithmetic number, because the mean of its divisors is an integer number (6428496256).

Almost surely, 2^66086888676 is an apocalyptic number.

It is an amenable number.

66086888676 is an abundant number, since it is smaller than the sum of its proper divisors (88197021468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66086888676 is a wasteful number, since it uses less digits than its factorization.

66086888676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898931 (or 2898929 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 69.

The spelling of 66086888676 in words is "sixty-six billion, eighty-six million, eight hundred eighty-eight thousand, six hundred seventy-six".