11516663 has 2 divisors, whose sum is σ = 11516664. Its totient is φ = 11516662.

The previous prime is 11516581. The next prime is 11516669. The reversal of 11516663 is 36661511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11516663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11516669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758331 + 5758332.

It is an arithmetic number, because the mean of its divisors is an integer number (5758332).

Almost surely, 2^11516663 is an apocalyptic number.

11516663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11516663 is an equidigital number, since it uses as much as digits as its factorization.

11516663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 11516663 is about 3393.6209275639. The cubic root of 11516663 is about 225.8268376225.

The spelling of 11516663 in words is "eleven million, five hundred sixteen thousand, six hundred sixty-three".