165411232 has 24 divisors (see below), whose sum is σ = 372175776. Its totient is φ = 70890432.

The previous prime is 165411221. The next prime is 165411269. The reversal of 165411232 is 232114561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 165411197 and 165411206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368998 + ... + 369445.

It is an arithmetic number, because the mean of its divisors is an integer number (15507324).

Almost surely, 2^165411232 is an apocalyptic number.

It is an amenable number.

165411232 is an abundant number, since it is smaller than the sum of its proper divisors (206764544).

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

165411232 is an equidigital number, since it uses as much as digits as its factorization.

165411232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738460 (or 738452 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 165411232 is about 12861.2298012282. The cubic root of 165411232 is about 548.9359394311.

Adding to 165411232 its reverse (232114561), we get a palindrome (397525793).

The spelling of 165411232 in words is "one hundred sixty-five million, four hundred eleven thousand, two hundred thirty-two".