103666143 has 8 divisors (see below), whose sum is σ = 157967488. Its totient is φ = 59237784.

The previous prime is 103666117. The next prime is 103666151. The reversal of 103666143 is 341666301.

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

It is not a de Polignac number, because 103666143 - 2⁵ = 103666111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103666143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103666243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468221 + ... + 2468262.

It is an arithmetic number, because the mean of its divisors is an integer number (19745936).

Almost surely, 2^103666143 is an apocalyptic number.

103666143 is a deficient number, since it is larger than the sum of its proper divisors (54301345).

103666143 is an equidigital number, since it uses as much as digits as its factorization.

103666143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936493.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 103666143 is about 10181.6571833862. The cubic root of 103666143 is about 469.7631868716.

The spelling of 103666143 in words is "one hundred three million, six hundred sixty-six thousand, one hundred forty-three".