165350736709 has 2 divisors, whose sum is σ = 165350736710. Its totient is φ = 165350736708.

The previous prime is 165350736697. The next prime is 165350736721. The reversal of 165350736709 is 907637053561.

It is a happy number.

165350736709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (165350736697) and next prime (165350736721).

It can be written as a sum of positive squares in only one way, i.e., 163476279684 + 1874457025 = 404322^2 + 43295^2 .

It is a cyclic number.

It is not a de Polignac number, because 165350736709 - 2⁹ = 165350736197 is a prime.

It is a super-2 number, since 2×165350736709² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165350731709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82675368354 + 82675368355.

It is an arithmetic number, because the mean of its divisors is an integer number (82675368355).

Almost surely, 2^165350736709 is an apocalyptic number.

It is an amenable number.

165350736709 is a deficient number, since it is larger than the sum of its proper divisors (1).

165350736709 is an equidigital number, since it uses as much as digits as its factorization.

165350736709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3572100, while the sum is 52.

The spelling of 165350736709 in words is "one hundred sixty-five billion, three hundred fifty million, seven hundred thirty-six thousand, seven hundred nine".