66686088702 has 8 divisors (see below), whose sum is σ = 133372177416. Its totient is φ = 22228696232.

The previous prime is 66686088701. The next prime is 66686088773. The reversal of 66686088702 is 20788068666.

It is a sphenic number, since it is the product of 3 distinct primes.

66686088702 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66686088701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5557174053 + ... + 5557174064.

It is an arithmetic number, because the mean of its divisors is an integer number (16671522177).

Almost surely, 2^66686088702 is an apocalyptic number.

66686088702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66686088702 is a wasteful number, since it uses less digits than its factorization.

66686088702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11114348122.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 66686088702 in words is "sixty-six billion, six hundred eighty-six million, eighty-eight thousand, seven hundred two".