165455356 has 24 divisors (see below), whose sum is σ = 334451376. Its totient is φ = 70782720.

The previous prime is 165455341. The next prime is 165455359. The reversal of 165455356 is 653554561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165455359) 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 7 ways as a sum of consecutive naturals, for example, 109851 + ... + 111346.

It is an arithmetic number, because the mean of its divisors is an integer number (13935474).

Almost surely, 2^165455356 is an apocalyptic number.

It is an amenable number.

165455356 is an abundant number, since it is smaller than the sum of its proper divisors (168996020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165455356 is a wasteful number, since it uses less digits than its factorization.

165455356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221229 (or 221227 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The square root of 165455356 is about 12862.9450749041. The cubic root of 165455356 is about 548.9847452582.

The spelling of 165455356 in words is "one hundred sixty-five million, four hundred fifty-five thousand, three hundred fifty-six".