133345267161 has 16 divisors (see below), whose sum is σ = 186991787520. Its totient is φ = 84406008960.

The previous prime is 133345267151. The next prime is 133345267189. The reversal of 133345267161 is 161762543331.

It is not a de Polignac number, because 133345267161 - 2⁵ = 133345267129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133345267151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13521676 + ... + 13531533.

It is an arithmetic number, because the mean of its divisors is an integer number (11686986720).

Almost surely, 2^133345267161 is an apocalyptic number.

It is an amenable number.

133345267161 is a deficient number, since it is larger than the sum of its proper divisors (53646520359).

133345267161 is a wasteful number, since it uses less digits than its factorization.

133345267161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27053296.

The product of its digits is 272160, while the sum is 42.

The spelling of 133345267161 in words is "one hundred thirty-three billion, three hundred forty-five million, two hundred sixty-seven thousand, one hundred sixty-one".