1333351668 has 48 divisors (see below), whose sum is σ = 3413007360. Its totient is φ = 401781600.

The previous prime is 1333351661. The next prime is 1333351673. The reversal of 1333351668 is 8661533331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333351661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4588 + ... + 51843.

It is an arithmetic number, because the mean of its divisors is an integer number (71104320).

Almost surely, 2^1333351668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1333351668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706503680).

1333351668 is an abundant number, since it is smaller than the sum of its proper divisors (2079655692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1333351668 is a wasteful number, since it uses less digits than its factorization.

1333351668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56628 (or 56626 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 1333351668 is about 36515.0882239109. The cubic root of 1333351668 is about 1100.6474612530.

Adding to 1333351668 its reverse (8661533331), we get a palindrome (9994884999).

The spelling of 1333351668 in words is "one billion, three hundred thirty-three million, three hundred fifty-one thousand, six hundred sixty-eight".