165656332 has 12 divisors (see below), whose sum is σ = 290148376. Its totient is φ = 82756800.

The previous prime is 165656321. The next prime is 165656333. The reversal of 165656332 is 233656561.

It is a junction number, because it is equal to n+sod(n) for n = 165656291 and 165656300.

It is not an unprimeable number, because it can be changed into a prime (165656333) by changing a digit.

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, 12438 + ... + 22045.

Almost surely, 2^165656332 is an apocalyptic number.

It is an amenable number.

165656332 is a deficient number, since it is larger than the sum of its proper divisors (124492044).

165656332 is a wasteful number, since it uses less digits than its factorization.

165656332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35688 (or 35686 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

The square root of 165656332 is about 12870.7549118146. The cubic root of 165656332 is about 549.2069363431.

The spelling of 165656332 in words is "one hundred sixty-five million, six hundred fifty-six thousand, three hundred thirty-two".