361335533161 has 2 divisors, whose sum is σ = 361335533162.
Its totient is φ = 361335533160.
The previous prime is 361335533129. The next prime is 361335533231. The reversal of 361335533161 is 161335533163.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 347368784400 + 13966748761 = 589380^2 + 118181^2
It is a cyclic number.
It is not a de Polignac number, because 361335533161 - 25 = 361335533129 is a prime.
It is not a weakly prime, because it can be changed into another prime (361335533761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180667766580 + 180667766581.
It is an arithmetic number, because the mean of its divisors is an integer number (180667766581).
Almost surely, 2361335533161 is an apocalyptic number.
It is an amenable number.
361335533161 is a deficient number, since it is larger than the sum of its proper divisors (1).
361335533161 is an equidigital number, since it uses as much as digits as its factorization.
361335533161 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 218700, while the sum is 40.
The spelling of 361335533161 in words is "three hundred sixty-one billion, three hundred thirty-five million, five hundred thirty-three thousand, one hundred sixty-one".