668103 has 8 divisors (see below), whose sum is σ = 902400. Its totient is φ = 439608.

The previous prime is 668093. The next prime is 668111. The reversal of 668103 is 301866.

668103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 668103 - 2¹⁸ = 405959 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 668103.

It is not an unprimeable number, because it can be changed into a prime (668153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (112800).

2⁶⁶⁸¹⁰³ is an apocalyptic number.

668103 is a deficient number, since it is larger than the sum of its proper divisors (234297).

668103 is a wasteful number, since it uses less digits than its factorization.

668103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 668103 is about 817.3756786203. The cubic root of 668103 is about 87.4207391084.

Adding to 668103 its reverse (301866), we get a palindrome (969969).

The spelling of 668103 in words is "six hundred sixty-eight thousand, one hundred three".