66348284366 has 32 divisors (see below), whose sum is σ = 124800274368. Its totient is φ = 25752430080.

The previous prime is 66348284333. The next prime is 66348284377.

It is a happy number.

66348284366 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 3429515 + ... + 3448806.

It is an arithmetic number, because the mean of its divisors is an integer number (3900008574).

Almost surely, 2^66348284366 is an apocalyptic number.

66348284366 is a deficient number, since it is larger than the sum of its proper divisors (58451990002).

66348284366 is a wasteful number, since it uses less digits than its factorization.

66348284366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878396.

The product of its digits is 23887872, while the sum is 56.

The spelling of 66348284366 in words is "sixty-six billion, three hundred forty-eight million, two hundred eighty-four thousand, three hundred sixty-six".