165160724593 has 2 divisors, whose sum is σ = 165160724594. Its totient is φ = 165160724592.

The previous prime is 165160724591. The next prime is 165160724639. The reversal of 165160724593 is 395427061561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102087918144 + 63072806449 = 319512^2 + 251143^2 .

It is a cyclic number.

It is not a de Polignac number, because 165160724593 - 2¹ = 165160724591 is a prime.

Together with 165160724591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (165160724591) 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, 82580362296 + 82580362297.

It is an arithmetic number, because the mean of its divisors is an integer number (82580362297).

Almost surely, 2^165160724593 is an apocalyptic number.

It is an amenable number.

165160724593 is a deficient number, since it is larger than the sum of its proper divisors (1).

165160724593 is an equidigital number, since it uses as much as digits as its factorization.

165160724593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 165160724593 in words is "one hundred sixty-five billion, one hundred sixty million, seven hundred twenty-four thousand, five hundred ninety-three".