526166603663 has 2 divisors, whose sum is σ = 526166603664. Its totient is φ = 526166603662.

The previous prime is 526166603597. The next prime is 526166603749. The reversal of 526166603663 is 366306661625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 526166603663 - 2²⁰ = 526165555087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526166603363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263083301831 + 263083301832.

It is an arithmetic number, because the mean of its divisors is an integer number (263083301832).

Almost surely, 2^526166603663 is an apocalyptic number.

526166603663 is a deficient number, since it is larger than the sum of its proper divisors (1).

526166603663 is an equidigital number, since it uses as much as digits as its factorization.

526166603663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 526166603663 in words is "five hundred twenty-six billion, one hundred sixty-six million, six hundred three thousand, six hundred sixty-three".