165341613 has 4 divisors (see below), whose sum is σ = 220455488. Its totient is φ = 110227740.

The previous prime is 165341599. The next prime is 165341621. The reversal of 165341613 is 316143561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 165341613 - 2⁴ = 165341597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165341653) 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, 27556933 + ... + 27556938.

It is an arithmetic number, because the mean of its divisors is an integer number (55113872).

Almost surely, 2^165341613 is an apocalyptic number.

It is an amenable number.

165341613 is a deficient number, since it is larger than the sum of its proper divisors (55113875).

165341613 is an equidigital number, since it uses as much as digits as its factorization.

165341613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55113874.

The product of its digits is 6480, while the sum is 30.

The square root of 165341613 is about 12858.5229711659. The cubic root of 165341613 is about 548.8589157741.

The spelling of 165341613 in words is "one hundred sixty-five million, three hundred forty-one thousand, six hundred thirteen".