165450005 has 16 divisors (see below), whose sum is σ = 238846080. Its totient is φ = 107479872.

The previous prime is 165449989. The next prime is 165450029. The reversal of 165450005 is 500054561.

It is a cyclic number.

It is not a de Polignac number, because 165450005 - 2⁴ = 165449989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123734 + ... + 125063.

It is an arithmetic number, because the mean of its divisors is an integer number (14927880).

Almost surely, 2^165450005 is an apocalyptic number.

It is an amenable number.

165450005 is a deficient number, since it is larger than the sum of its proper divisors (73396075).

165450005 is a wasteful number, since it uses less digits than its factorization.

165450005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248828.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 165450005 is about 12862.7370726452. The cubic root of 165450005 is about 548.9788269467.

The spelling of 165450005 in words is "one hundred sixty-five million, four hundred fifty thousand, five".