1333406668 has 36 divisors (see below), whose sum is σ = 2561548248. Its totient is φ = 602314240.

The previous prime is 1333406663. The next prime is 1333406729. The reversal of 1333406668 is 8666043331.

It is a self number, because there is not a number n which added to its sum of digits gives 1333406668.

It is not an unprimeable number, because it can be changed into a prime (1333406663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3777180 + ... + 3777532.

It is an arithmetic number, because the mean of its divisors is an integer number (71154118).

Almost surely, 2^1333406668 is an apocalyptic number.

It is an amenable number.

1333406668 is a deficient number, since it is larger than the sum of its proper divisors (1228141580).

1333406668 is a wasteful number, since it uses less digits than its factorization.

1333406668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 1333406668 is about 36515.8413294833. The cubic root of 1333406668 is about 1100.6625947394.

Adding to 1333406668 its reverse (8666043331), we get a palindrome (9999449999).

The spelling of 1333406668 in words is "one billion, three hundred thirty-three million, four hundred six thousand, six hundred sixty-eight".