165007 has 4 divisors (see below), whose sum is σ = 166216. Its totient is φ = 163800.

The previous prime is 165001. The next prime is 165037. The reversal of 165007 is 700561.

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 165007 - 2³ = 164999 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 (165001) 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, 369 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (41554).

2¹⁶⁵⁰⁰⁷ is an apocalyptic number.

165007 is a deficient number, since it is larger than the sum of its proper divisors (1209).

165007 is a wasteful number, since it uses less digits than its factorization.

165007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 165007 is about 406.2105365448. The cubic root of 165007 is about 54.8488411426.

Adding to 165007 its reverse (700561), we get a palindrome (865568).

The spelling of 165007 in words is "one hundred sixty-five thousand, seven".