165165104 has 20 divisors (see below), whose sum is σ = 344623776. Its totient is φ = 76229952.

The previous prime is 165165073. The next prime is 165165113. The reversal of 165165104 is 401561561.

165165104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396824 + ... + 397239.

Almost surely, 2^165165104 is an apocalyptic number.

It is an amenable number.

165165104 is an abundant number, since it is smaller than the sum of its proper divisors (179458672).

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

165165104 is a wasteful number, since it uses less digits than its factorization.

165165104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794084 (or 794078 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 165165104 is about 12851.6576362740. The cubic root of 165165104 is about 548.6635363794.

The spelling of 165165104 in words is "one hundred sixty-five million, one hundred sixty-five thousand, one hundred four".