68188103 has 4 divisors (see below), whose sum is σ = 68260608. Its totient is φ = 68115600.

The previous prime is 68188097. The next prime is 68188177. The reversal of 68188103 is 30188186.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68188103 - 2⁶ = 68188039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68188403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34823 + ... + 36728.

It is an arithmetic number, because the mean of its divisors is an integer number (17065152).

Almost surely, 2^68188103 is an apocalyptic number.

68188103 is a deficient number, since it is larger than the sum of its proper divisors (72505).

68188103 is an equidigital number, since it uses as much as digits as its factorization.

68188103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72504.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 68188103 is about 8257.6087943181. The cubic root of 68188103 is about 408.5415223063.

The spelling of 68188103 in words is "sixty-eight million, one hundred eighty-eight thousand, one hundred three".