165368044 has 24 divisors (see below), whose sum is σ = 307117440. Its totient is φ = 77642496.

The previous prime is 165368041. The next prime is 165368051. The reversal of 165368044 is 440863561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 165367994 and 165368012.

It is not an unprimeable number, because it can be changed into a prime (165368041) 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, 30034 + ... + 35110.

It is an arithmetic number, because the mean of its divisors is an integer number (12796560).

Almost surely, 2^165368044 is an apocalyptic number.

It is an amenable number.

165368044 is a deficient number, since it is larger than the sum of its proper divisors (141749396).

165368044 is a wasteful number, since it uses less digits than its factorization.

165368044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577 (or 5575 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 165368044 is about 12859.5506919954. The cubic root of 165368044 is about 548.8881605133. Note that the first 3 decimals are identical.

The spelling of 165368044 in words is "one hundred sixty-five million, three hundred sixty-eight thousand, forty-four".