11660003 has 2 divisors, whose sum is σ = 11660004. Its totient is φ = 11660002.

The previous prime is 11659987. The next prime is 11660021. The reversal of 11660003 is 30006611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11660003 - 2⁴ = 11659987 is a prime.

It is not a weakly prime, because it can be changed into another prime (11660503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830001 + 5830002.

It is an arithmetic number, because the mean of its divisors is an integer number (5830002).

Almost surely, 2^11660003 is an apocalyptic number.

11660003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660003 is an equidigital number, since it uses as much as digits as its factorization.

11660003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 11660003 is about 3414.6746550733. The cubic root of 11660003 is about 226.7598811633.

Adding to 11660003 its reverse (30006611), we get a palindrome (41666614).

The spelling of 11660003 in words is "eleven million, six hundred sixty thousand, three".