133565461352164 has 12 divisors (see below), whose sum is σ = 235523828797488. Its totient is φ = 66272938838600.

The previous prime is 133565461352149. The next prime is 133565461352177. The reversal of 133565461352164 is 461253164565331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127447958782 + ... + 127447959829.

It is an arithmetic number, because the mean of its divisors is an integer number (19626985733124).

Almost surely, 2^{133565461352164} is an apocalyptic number.

It is an amenable number.

133565461352164 is a deficient number, since it is larger than the sum of its proper divisors (101958367445324).

133565461352164 is a wasteful number, since it uses less digits than its factorization.

133565461352164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254895918746 (or 254895918744 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 55.

The spelling of 133565461352164 in words is "one hundred thirty-three trillion, five hundred sixty-five billion, four hundred sixty-one million, three hundred fifty-two thousand, one hundred sixty-four".