165047433 has 16 divisors (see below), whose sum is σ = 233947200. Its totient is φ = 103204800.

The previous prime is 165047419. The next prime is 165047513. The reversal of 165047433 is 334740561.

165047433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165047433 - 2⁸ = 165047177 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 165047394 and 165047403.

It is not an unprimeable number, because it can be changed into a prime (165047413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8578 + ... + 20091.

It is an arithmetic number, because the mean of its divisors is an integer number (14621700).

Almost surely, 2^165047433 is an apocalyptic number.

It is an amenable number.

165047433 is a deficient number, since it is larger than the sum of its proper divisors (68899767).

165047433 is a wasteful number, since it uses less digits than its factorization.

165047433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28792.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 165047433 is about 12847.0787730130. The cubic root of 165047433 is about 548.5332079510.

Adding to 165047433 its reverse (334740561), we get a palindrome (499787994).

The spelling of 165047433 in words is "one hundred sixty-five million, forty-seven thousand, four hundred thirty-three".