66088268860684 has 72 divisors (see below), whose sum is σ = 139913289428640. Its totient is φ = 26753206943232.

The previous prime is 66088268860681. The next prime is 66088268860687. The reversal of 66088268860684 is 48606886288066.

66088268860684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66088268860681) and next prime (66088268860687).

It is a Harshad number since it is a multiple of its sum of digits (76).

It is a self number, because there is not a number n which added to its sum of digits gives 66088268860684.

It is not an unprimeable number, because it can be changed into a prime (66088268860681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6294219 + ... + 13107010.

Almost surely, 2^{66088268860684} is an apocalyptic number.

It is an amenable number.

66088268860684 is an abundant number, since it is smaller than the sum of its proper divisors (73825020567956).

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

66088268860684 is a wasteful number, since it uses less digits than its factorization.

66088268860684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401615 (or 19401594 counting only the distinct ones).

The product of its (nonzero) digits is 2038431744, while the sum is 76.

The spelling of 66088268860684 in words is "sixty-six trillion, eighty-eight billion, two hundred sixty-eight million, eight hundred sixty thousand, six hundred eighty-four".