168104 has 8 divisors (see below), whose sum is σ = 315210. Its totient is φ = 84048.

The previous prime is 168089. The next prime is 168109. The reversal of 168104 is 401861.

It can be written as a sum of positive squares in only one way, i.e., 168100 + 4 = 410^2 + 2^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 168104.

It is not an unprimeable number, because it can be changed into a prime (168109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10499 + ... + 10514.

2¹⁶⁸¹⁰⁴ is an apocalyptic number.

It is an amenable number.

168104 is a deficient number, since it is larger than the sum of its proper divisors (147106).

168104 is a wasteful number, since it uses less digits than its factorization.

168104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21019 (or 21015 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 168104 is about 410.0048780198. The cubic root of 168104 is about 55.1898672152.

Adding to 168104 its reverse (401861), we get a palindrome (569965).

It can be divided in two parts, 168 and 104, that added together give a palindrome (272).

The spelling of 168104 in words is "one hundred sixty-eight thousand, one hundred four".