165093967689 has 16 divisors (see below), whose sum is σ = 254398412160. Its totient is φ = 93279415680.

The previous prime is 165093967679. The next prime is 165093967697. The reversal of 165093967689 is 986769390561.

It is not a de Polignac number, because 165093967689 - 2¹⁵ = 165093934921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165093967679) 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 in 15 ways as a sum of consecutive naturals, for example, 44164522 + ... + 44168259.

It is an arithmetic number, because the mean of its divisors is an integer number (15899900760).

Almost surely, 2^165093967689 is an apocalyptic number.

It is an amenable number.

165093967689 is a deficient number, since it is larger than the sum of its proper divisors (89304444471).

165093967689 is an equidigital number, since it uses as much as digits as its factorization.

165093967689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88332880.

The product of its (nonzero) digits is 132269760, while the sum is 69.

The spelling of 165093967689 in words is "one hundred sixty-five billion, ninety-three million, nine hundred sixty-seven thousand, six hundred eighty-nine".