1333217668 has 6 divisors (see below), whose sum is σ = 2333130926. Its totient is φ = 666608832.

The previous prime is 1333217663. The next prime is 1333217687. The reversal of 1333217668 is 8667123331.

It can be written as a sum of positive squares in only one way, i.e., 855445504 + 477772164 = 29248^2 + 21858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1333217668.

It is not an unprimeable number, because it can be changed into a prime (1333217663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166652205 + ... + 166652212.

Almost surely, 2^1333217668 is an apocalyptic number.

It is an amenable number.

1333217668 is a deficient number, since it is larger than the sum of its proper divisors (999913258).

1333217668 is a wasteful number, since it uses less digits than its factorization.

1333217668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333304421 (or 333304419 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 1333217668 is about 36513.2533198563. The cubic root of 1333217668 is about 1100.6105888349.

The spelling of 1333217668 in words is "one billion, three hundred thirty-three million, two hundred seventeen thousand, six hundred sixty-eight".