165133234 has 16 divisors (see below), whose sum is σ = 288864000. Its totient is φ = 70771092.

The previous prime is 165133219. The next prime is 165133247. The reversal of 165133234 is 432331561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119674 + ... + 121045.

It is an arithmetic number, because the mean of its divisors is an integer number (18054000).

Almost surely, 2^165133234 is an apocalyptic number.

165133234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165133234 is a deficient number, since it is larger than the sum of its proper divisors (123730766).

165133234 is an equidigital number, since it uses as much as digits as its factorization.

165133234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240742 (or 240728 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 165133234 is about 12850.4176585822. The cubic root of 165133234 is about 548.6282443569.

Adding to 165133234 its reverse (432331561), we get a palindrome (597464795).

The spelling of 165133234 in words is "one hundred sixty-five million, one hundred thirty-three thousand, two hundred thirty-four".