165328607 has 4 divisors (see below), whose sum is σ = 165389256. Its totient is φ = 165267960.

The previous prime is 165328573. The next prime is 165328627. The reversal of 165328607 is 706823561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706823561 = 647 ⋅1092463.

It is a cyclic number.

It is not a de Polignac number, because 165328607 - 2⁸ = 165328351 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 (165328627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26033 + ... + 31754.

It is an arithmetic number, because the mean of its divisors is an integer number (41347314).

Almost surely, 2^165328607 is an apocalyptic number.

165328607 is a deficient number, since it is larger than the sum of its proper divisors (60649).

165328607 is an equidigital number, since it uses as much as digits as its factorization.

165328607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60648.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 165328607 is about 12858.0172266178. The cubic root of 165328607 is about 548.8445240629.

The spelling of 165328607 in words is "one hundred sixty-five million, three hundred twenty-eight thousand, six hundred seven".