165038 has 8 divisors (see below), whose sum is σ = 249480. Its totient is φ = 81880.

The previous prime is 165037. The next prime is 165041. The reversal of 165038 is 830561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 588.

It is an arithmetic number, because the mean of its divisors is an integer number (31185).

2¹⁶⁵⁰³⁸ is an apocalyptic number.

165038 is a deficient number, since it is larger than the sum of its proper divisors (84442).

165038 is a wasteful number, since it uses less digits than its factorization.

165038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 165038 is about 406.2486923056. The cubic root of 165038 is about 54.8522757597.

Adding to 165038 its reverse (830561), we get a palindrome (995599).

It can be divided in two parts, 16 and 5038, that multiplied together give a palindrome (80608).

The spelling of 165038 in words is "one hundred sixty-five thousand, thirty-eight".