66313831366 has 16 divisors (see below), whose sum is σ = 100799930880. Its totient is φ = 32716379520.

The previous prime is 66313831351. The next prime is 66313831399.

66313831366 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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, 578566 + ... + 683641.

It is an arithmetic number, because the mean of its divisors is an integer number (6299995680).

Almost surely, 2^66313831366 is an apocalyptic number.

66313831366 is a deficient number, since it is larger than the sum of its proper divisors (34486099514).

66313831366 is a wasteful number, since it uses less digits than its factorization.

66313831366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262559.

The product of its digits is 839808, while the sum is 46.

The spelling of 66313831366 in words is "sixty-six billion, three hundred thirteen million, eight hundred thirty-one thousand, three hundred sixty-six".