2012516663 has 2 divisors, whose sum is σ = 2012516664. Its totient is φ = 2012516662.

The previous prime is 2012516599. The next prime is 2012516677. The reversal of 2012516663 is 3666152102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012516663 - 2⁶ = 2012516599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012516263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006258331 + 1006258332.

It is an arithmetic number, because the mean of its divisors is an integer number (1006258332).

Almost surely, 2^2012516663 is an apocalyptic number.

2012516663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012516663 is an equidigital number, since it uses as much as digits as its factorization.

2012516663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2012516663 is about 44861.0818304686. The cubic root of 2012516663 is about 1262.5439204144.

Adding to 2012516663 its reverse (3666152102), we get a palindrome (5678668765).

The spelling of 2012516663 in words is "two billion, twelve million, five hundred sixteen thousand, six hundred sixty-three".