133213333666206 has 16 divisors (see below), whose sum is σ = 266969287842048. Its totient is φ = 44314007803800.

The previous prime is 133213333666103. The next prime is 133213333666207. The reversal of 133213333666206 is 602666333312331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133213333666207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22609184710 + ... + 22609190601.

It is an arithmetic number, because the mean of its divisors is an integer number (16685580490128).

Almost surely, 2^{133213333666206} is an apocalyptic number.

133213333666206 is an abundant number, since it is smaller than the sum of its proper divisors (133755954175842).

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

133213333666206 is a wasteful number, since it uses less digits than its factorization.

133213333666206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45218375807.

The product of its (nonzero) digits is 3779136, while the sum is 48.

Adding to 133213333666206 its reverse (602666333312331), we get a palindrome (735879666978537).

The spelling of 133213333666206 in words is "one hundred thirty-three trillion, two hundred thirteen billion, three hundred thirty-three million, six hundred sixty-six thousand, two hundred six".