165955596 has 24 divisors (see below), whose sum is σ = 387762480. Its totient is φ = 55242432.

The previous prime is 165955591. The next prime is 165955597. The reversal of 165955596 is 695559561.

165955596 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165955591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51 + ... + 18218.

It is an arithmetic number, because the mean of its divisors is an integer number (16156770).

Almost surely, 2^165955596 is an apocalyptic number.

It is an amenable number.

165955596 is an abundant number, since it is smaller than the sum of its proper divisors (221806884).

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

165955596 is a wasteful number, since it uses less digits than its factorization.

165955596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19033 (or 19031 counting only the distinct ones).

The product of its digits is 1822500, while the sum is 51.

The square root of 165955596 is about 12882.3754020755. The cubic root of 165955596 is about 549.5374579498.

The spelling of 165955596 in words is "one hundred sixty-five million, nine hundred fifty-five thousand, five hundred ninety-six".