165403132 has 24 divisors (see below), whose sum is σ = 322615440. Its totient is φ = 73739520.

The previous prime is 165403127. The next prime is 165403171. The reversal of 165403132 is 231304561.

165403132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165403097 and 165403106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62719 + ... + 65302.

It is an arithmetic number, because the mean of its divisors is an integer number (13442310).

Almost surely, 2^165403132 is an apocalyptic number.

It is an amenable number.

165403132 is a deficient number, since it is larger than the sum of its proper divisors (157212308).

165403132 is a wasteful number, since it uses less digits than its factorization.

165403132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128061 (or 128059 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 165403132 is about 12860.9148974713. The cubic root of 165403132 is about 548.9269790285.

Adding to 165403132 its reverse (231304561), we get a palindrome (396707693).

The spelling of 165403132 in words is "one hundred sixty-five million, four hundred three thousand, one hundred thirty-two".