1333332666666 has 256 divisors, whose sum is σ = 4085768171520. Its totient is φ = 311039688960.

The previous prime is 1333332666637. The next prime is 1333332666683. The reversal of 1333332666666 is 6666662333331.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1666665 + ... + 2333331.

It is an arithmetic number, because the mean of its divisors is an integer number (15960031920).

Almost surely, 2^{1333332666666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1333332666666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042884085760).

1333332666666 is an abundant number, since it is smaller than the sum of its proper divisors (2752435504854).

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

1333332666666 is a wasteful number, since it uses less digits than its factorization.

1333332666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666746 (or 666740 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 54.

Adding to 1333332666666 its reverse (6666662333331), we get a palindrome (7999994999997).

The spelling of 1333332666666 in words is "one trillion, three hundred thirty-three billion, three hundred thirty-two million, six hundred sixty-six thousand, six hundred sixty-six".