165234047 has 16 divisors (see below), whose sum is σ = 188967168. Its totient is φ = 143014080.

The previous prime is 165234037. The next prime is 165234071. The reversal of 165234047 is 740432561.

It is not a de Polignac number, because 165234047 - 2⁶ = 165233983 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 (165234007) 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 15 ways as a sum of consecutive naturals, for example, 57548 + ... + 60350.

It is an arithmetic number, because the mean of its divisors is an integer number (11810448).

Almost surely, 2^165234047 is an apocalyptic number.

165234047 is a deficient number, since it is larger than the sum of its proper divisors (23733121).

165234047 is a wasteful number, since it uses less digits than its factorization.

165234047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 165234047 is about 12854.3396174210. The cubic root of 165234047 is about 548.7398665633.

The spelling of 165234047 in words is "one hundred sixty-five million, two hundred thirty-four thousand, forty-seven".