165616132 has 12 divisors (see below), whose sum is σ = 316176336. Its totient is φ = 75280040.

The previous prime is 165616081. The next prime is 165616147. The reversal of 165616132 is 231616561.

It is a junction number, because it is equal to n+sod(n) for n = 165616094 and 165616103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881958 + ... + 1882045.

It is an arithmetic number, because the mean of its divisors is an integer number (26348028).

Almost surely, 2^165616132 is an apocalyptic number.

It is an amenable number.

165616132 is a deficient number, since it is larger than the sum of its proper divisors (150560204).

165616132 is a wasteful number, since it uses less digits than its factorization.

165616132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764018 (or 3764016 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 165616132 is about 12869.1931371007. The cubic root of 165616132 is about 549.1625072033.

The spelling of 165616132 in words is "one hundred sixty-five million, six hundred sixteen thousand, one hundred thirty-two".