165347165 has 8 divisors (see below), whose sum is σ = 198800568. Its totient is φ = 132021760.

The previous prime is 165347113. The next prime is 165347179. The reversal of 165347165 is 561743561.

It can be written as a sum of positive squares in 4 ways, for example, as 840889 + 164506276 = 917^2 + 12826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165347165 - 2²² = 161152861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29132 + ... + 34341.

It is an arithmetic number, because the mean of its divisors is an integer number (24850071).

Almost surely, 2^165347165 is an apocalyptic number.

It is an amenable number.

165347165 is a deficient number, since it is larger than the sum of its proper divisors (33453403).

165347165 is an equidigital number, since it uses as much as digits as its factorization.

165347165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63999.

The product of its digits is 75600, while the sum is 38.

The square root of 165347165 is about 12858.7388572908. The cubic root of 165347165 is about 548.8650590765.

The spelling of 165347165 in words is "one hundred sixty-five million, three hundred forty-seven thousand, one hundred sixty-five".