133604514635161 has 2 divisors, whose sum is σ = 133604514635162. Its totient is φ = 133604514635160.

The previous prime is 133604514635099. The next prime is 133604514635197. The reversal of 133604514635161 is 161536415406331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130703062311936 + 2901452323225 = 11432544^2 + 1703365^2 .

It is a cyclic number.

It is not a de Polignac number, because 133604514635161 - 2³³ = 133595924700569 is a prime.

It is not a weakly prime, because it can be changed into another prime (133604514636161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66802257317580 + 66802257317581.

It is an arithmetic number, because the mean of its divisors is an integer number (66802257317581).

Almost surely, 2^{133604514635161} is an apocalyptic number.

It is an amenable number.

133604514635161 is a deficient number, since it is larger than the sum of its proper divisors (1).

133604514635161 is an equidigital number, since it uses as much as digits as its factorization.

133604514635161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 133604514635161 in words is "one hundred thirty-three trillion, six hundred four billion, five hundred fourteen million, six hundred thirty-five thousand, one hundred sixty-one".