101668 has 12 divisors (see below), whose sum is σ = 203392. Its totient is φ = 43560.

The previous prime is 101663. The next prime is 101681. The reversal of 101668 is 866101.

101668 is an admirable number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101663) 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, 1788 + ... + 1843.

2¹⁰¹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

101668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101668 is a wasteful number, since it uses less digits than its factorization.

101668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 101668 is about 318.8541986551. The cubic root of 101668 is about 46.6725389436.

Adding to 101668 its reverse (866101), we get a palindrome (967769).

The spelling of 101668 in words is "one hundred one thousand, six hundred sixty-eight".