165014853109 has 2 divisors, whose sum is σ = 165014853110. Its totient is φ = 165014853108.

The previous prime is 165014853043. The next prime is 165014853119. The reversal of 165014853109 is 901358410561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122327161009 + 42687692100 = 349753^2 + 206610^2 .

It is a cyclic number.

It is not a de Polignac number, because 165014853109 - 2¹⁹ = 165014328821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165014853119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82507426554 + 82507426555.

It is an arithmetic number, because the mean of its divisors is an integer number (82507426555).

Almost surely, 2^165014853109 is an apocalyptic number.

It is an amenable number.

165014853109 is a deficient number, since it is larger than the sum of its proper divisors (1).

165014853109 is an equidigital number, since it uses as much as digits as its factorization.

165014853109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 165014853109 in words is "one hundred sixty-five billion, fourteen million, eight hundred fifty-three thousand, one hundred nine".