165623032 has 16 divisors (see below), whose sum is σ = 313619400. Its totient is φ = 81991200.

The previous prime is 165623021. The next prime is 165623041. The reversal of 165623032 is 230326561.

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, 101682 + ... + 103297.

Almost surely, 2^165623032 is an apocalyptic number.

It is an amenable number.

165623032 is a deficient number, since it is larger than the sum of its proper divisors (147996368).

165623032 is a wasteful number, since it uses less digits than its factorization.

165623032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205086 (or 205082 counting only the distinct ones).

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

The square root of 165623032 is about 12869.4612163835. The cubic root of 165623032 is about 549.1701336115.

Adding to 165623032 its reverse (230326561), we get a palindrome (395949593).

The spelling of 165623032 in words is "one hundred sixty-five million, six hundred twenty-three thousand, thirty-two".