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BaseRepresentation
bin101001000010000100
322112112202
4221002010
520334233
63334032
71266665
oct510204
9275482
10168068
111052aa
1281318
135b664
144536c
1534be8
hex29084

168068 has 6 divisors (see below), whose sum is σ = 294126. Its totient is φ = 84032.

The previous prime is 168067. The next prime is 168071. The reversal of 168068 is 860861.

168068 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 53824 = 338^2 + 232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168068.

It is not an unprimeable number, because it can be changed into a prime (168067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005 + ... + 21012.

It is an arithmetic number, because the mean of its divisors is an integer number (49021).

2168068 is an apocalyptic number.

It is an amenable number.

168068 is a deficient number, since it is larger than the sum of its proper divisors (126058).

168068 is a wasteful number, since it uses less digits than its factorization.

168068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42021 (or 42019 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 168068 is about 409.9609737524. The cubic root of 168068 is about 55.1859272394.

The spelling of 168068 in words is "one hundred sixty-eight thousand, sixty-eight".

Divisors: 1 2 4 42017 84034 168068