165450733 has 8 divisors (see below), whose sum is σ = 191211840. Its totient is φ = 140220960.

The previous prime is 165450697. The next prime is 165450739. The reversal of 165450733 is 337054561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165450733 - 2²⁵ = 131896301 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 (165450739) 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 7 ways as a sum of consecutive naturals, for example, 132163 + ... + 133408.

It is an arithmetic number, because the mean of its divisors is an integer number (23901480).

Almost surely, 2^165450733 is an apocalyptic number.

It is an amenable number.

165450733 is a deficient number, since it is larger than the sum of its proper divisors (25761107).

165450733 is an equidigital number, since it uses as much as digits as its factorization.

165450733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265667.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 165450733 is about 12862.7653714122. The cubic root of 165450733 is about 548.9796321365.

The spelling of 165450733 in words is "one hundred sixty-five million, four hundred fifty thousand, seven hundred thirty-three".