165119128 has 8 divisors (see below), whose sum is σ = 309598380. Its totient is φ = 82559560.

The previous prime is 165119107. The next prime is 165119161. The reversal of 165119128 is 821911561.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 165119093 and 165119102.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10319938 + ... + 10319953.

Almost surely, 2^165119128 is an apocalyptic number.

It is an amenable number.

165119128 is a deficient number, since it is larger than the sum of its proper divisors (144479252).

165119128 is a wasteful number, since it uses less digits than its factorization.

165119128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20639897 (or 20639893 counting only the distinct ones).

The product of its digits is 4320, while the sum is 34.

The square root of 165119128 is about 12849.8687931045. The cubic root of 165119128 is about 548.6126222838.

The spelling of 165119128 in words is "one hundred sixty-five million, one hundred nineteen thousand, one hundred twenty-eight".