165273127 has 4 divisors (see below), whose sum is σ = 165327840. Its totient is φ = 165218416.

The previous prime is 165273113. The next prime is 165273131. The reversal of 165273127 is 721372561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165273127 - 2⁷ = 165272999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165273092 and 165273101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165273107) 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 3 ways as a sum of consecutive naturals, for example, 22543 + ... + 28960.

It is an arithmetic number, because the mean of its divisors is an integer number (41331960).

Almost surely, 2^165273127 is an apocalyptic number.

165273127 is a deficient number, since it is larger than the sum of its proper divisors (54713).

165273127 is an equidigital number, since it uses as much as digits as its factorization.

165273127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54712.

The product of its digits is 17640, while the sum is 34.

The square root of 165273127 is about 12855.8596367571. The cubic root of 165273127 is about 548.7831245236.

The spelling of 165273127 in words is "one hundred sixty-five million, two hundred seventy-three thousand, one hundred twenty-seven".