133333326666666 has 96 divisors (see below), whose sum is σ = 331611793344000. Its totient is φ = 37927642072320.

The previous prime is 133333326666641. The next prime is 133333326666671. The reversal of 133333326666666 is 666666623333331.

133333326666666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 47 ways as a sum of consecutive naturals, for example, 139523796 + ... + 140476176.

It is an arithmetic number, because the mean of its divisors is an integer number (3454289514000).

Almost surely, 2^{133333326666666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133333326666666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165805896672000).

133333326666666 is an abundant number, since it is smaller than the sum of its proper divisors (198278466677334).

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

133333326666666 is a wasteful number, since it uses less digits than its factorization.

133333326666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957284 (or 957281 counting only the distinct ones).

The product of its digits is 408146688, while the sum is 63.

Adding to 133333326666666 its reverse (666666623333331), we get a palindrome (799999949999997).

The spelling of 133333326666666 in words is "one hundred thirty-three trillion, three hundred thirty-three billion, three hundred twenty-six million, six hundred sixty-six thousand, six hundred sixty-six".