165046134 has 64 divisors (see below), whose sum is σ = 379779840. Its totient is φ = 47349120.

The previous prime is 165046111. The next prime is 165046151. The reversal of 165046134 is 431640561.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 100629 + ... + 102255.

It is an arithmetic number, because the mean of its divisors is an integer number (5934060).

Almost surely, 2^165046134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165046134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189889920).

165046134 is an abundant number, since it is smaller than the sum of its proper divisors (214733706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165046134 is a wasteful number, since it uses less digits than its factorization.

165046134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 165046134 is about 12847.0282166733. The cubic root of 165046134 is about 548.5317688768.

Adding to 165046134 its reverse (431640561), we get a palindrome (596686695).

The spelling of 165046134 in words is "one hundred sixty-five million, forty-six thousand, one hundred thirty-four".