168011 has 4 divisors (see below), whose sum is σ = 177912. Its totient is φ = 158112.

The previous prime is 167987. The next prime is 168013. The reversal of 168011 is 110861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110861 = 59 ⋅1879.

It is a cyclic number.

It is not a de Polignac number, because 168011 - 2¹⁰ = 166987 is a prime.

It is a super-2 number, since 2×168011² = 56455392242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 9883 = 168011 / (1 + 6 + 8 + 0 + 1 + 1).

It is a Duffinian number.

It is a plaindrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (168013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4925 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (44478).

2¹⁶⁸⁰¹¹ is an apocalyptic number.

168011 is a deficient number, since it is larger than the sum of its proper divisors (9901).

168011 is an equidigital number, since it uses as much as digits as its factorization.

168011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 168011 is about 409.8914490447. The cubic root of 168011 is about 55.1796877936.

Adding to 168011 its reverse (110861), we get a palindrome (278872).

The spelling of 168011 in words is "one hundred sixty-eight thousand, eleven".