660012103 has 8 divisors (see below), whose sum is σ = 683031680. Its totient is φ = 637100640.

The previous prime is 660012079. The next prime is 660012149. The reversal of 660012103 is 301210066.

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

It is a cyclic number.

It is not a de Polignac number, because 660012103 - 2²⁹ = 123141191 is a prime.

It is a super-2 number, since 2×660012103² = 871231952212965218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660012193) 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, 14508 + ... + 39121.

It is an arithmetic number, because the mean of its divisors is an integer number (85378960).

Almost surely, 2^660012103 is an apocalyptic number.

660012103 is a deficient number, since it is larger than the sum of its proper divisors (23019577).

660012103 is a wasteful number, since it uses less digits than its factorization.

660012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54057.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 660012103 is about 25690.7007105684. The cubic root of 660012103 is about 870.6640910965.

Adding to 660012103 its reverse (301210066), we get a palindrome (961222169).

The spelling of 660012103 in words is "six hundred sixty million, twelve thousand, one hundred three".