165575339 has 4 divisors (see below), whose sum is σ = 168699456. Its totient is φ = 162451224.

The previous prime is 165575273. The next prime is 165575351. The reversal of 165575339 is 933575561.

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 165575339 - 2⁸ = 165575083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165575339.

It is not an unprimeable number, because it can be changed into a prime (165575369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561979 + ... + 1562084.

It is an arithmetic number, because the mean of its divisors is an integer number (42174864).

Almost surely, 2^165575339 is an apocalyptic number.

165575339 is a deficient number, since it is larger than the sum of its proper divisors (3124117).

165575339 is an equidigital number, since it uses as much as digits as its factorization.

165575339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124116.

The product of its digits is 425250, while the sum is 44.

The square root of 165575339 is about 12867.6081304957. The cubic root of 165575339 is about 549.1174153285.

The spelling of 165575339 in words is "one hundred sixty-five million, five hundred seventy-five thousand, three hundred thirty-nine".