133513443255166 has 32 divisors (see below), whose sum is σ = 225771779257920. Its totient is φ = 58754075238144.

The previous prime is 133513443255149. The next prime is 133513443255191. The reversal of 133513443255166 is 661552344315331.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356468781 + ... + 356843128.

It is an arithmetic number, because the mean of its divisors is an integer number (7055368101810).

Almost surely, 2^{133513443255166} is an apocalyptic number.

133513443255166 is a deficient number, since it is larger than the sum of its proper divisors (92258336002754).

133513443255166 is a wasteful number, since it uses less digits than its factorization.

133513443255166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713312260.

The product of its digits is 11664000, while the sum is 52.

The spelling of 133513443255166 in words is "one hundred thirty-three trillion, five hundred thirteen billion, four hundred forty-three million, two hundred fifty-five thousand, one hundred sixty-six".