66348684366 has 32 divisors (see below), whose sum is σ = 133308957600. Its totient is φ = 22014357504.

The previous prime is 66348684221. The next prime is 66348684373.

66348684366 is nontrivially palindromic in base 10.

66348684366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6354286 + ... + 6364718.

It is an arithmetic number, because the mean of its divisors is an integer number (4165904925).

Almost surely, 2^66348684366 is an apocalyptic number.

66348684366 is an abundant number, since it is smaller than the sum of its proper divisors (66960273234).

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

66348684366 is a wasteful number, since it uses less digits than its factorization.

66348684366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15220.

The product of its digits is 71663616, while the sum is 60.

The spelling of 66348684366 in words is "sixty-six billion, three hundred forty-eight million, six hundred eighty-four thousand, three hundred sixty-six".