165494132 has 12 divisors (see below), whose sum is σ = 290393796. Its totient is φ = 82524480.

The previous prime is 165494129. The next prime is 165494141. The reversal of 165494132 is 231494561.

It can be written as a sum of positive squares in 2 ways, for example, as 27102436 + 138391696 = 5206^2 + 11764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165494092 and 165494101.

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 3 ways as a sum of consecutive naturals, for example, 53969 + ... + 56952.

It is an arithmetic number, because the mean of its divisors is an integer number (24199483).

Almost surely, 2^165494132 is an apocalyptic number.

It is an amenable number.

165494132 is a deficient number, since it is larger than the sum of its proper divisors (124899664).

165494132 is a wasteful number, since it uses less digits than its factorization.

165494132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111298 (or 111296 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 165494132 is about 12864.4522619504. The cubic root of 165494132 is about 549.0276284670.

The spelling of 165494132 in words is "one hundred sixty-five million, four hundred ninety-four thousand, one hundred thirty-two".