669333424333966 has 48 divisors (see below), whose sum is σ = 1195092050906160. Its totient is φ = 280183123785600.

The previous prime is 669333424333957. The next prime is 669333424334017.

669333424333966 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 669333424333895 and 669333424333904.

It is a congruent number.

It is an unprimeable number.

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, 423430266 + ... + 425008066.

It is an arithmetic number, because the mean of its divisors is an integer number (24897751060545).

Almost surely, 2^{669333424333966} is an apocalyptic number.

669333424333966 is a deficient number, since it is larger than the sum of its proper divisors (525758626572194).

669333424333966 is a wasteful number, since it uses less digits than its factorization.

669333424333966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678529 (or 1678522 counting only the distinct ones).

The product of its digits is 2448880128, while the sum is 70.

The spelling of 669333424333966 in words is "six hundred sixty-nine trillion, three hundred thirty-three billion, four hundred twenty-four million, three hundred thirty-three thousand, nine hundred sixty-six".