660563162663 has 2 divisors, whose sum is σ = 660563162664. Its totient is φ = 660563162662.

The previous prime is 660563162653. The next prime is 660563162669. The reversal of 660563162663 is 366261365066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 660563162663 - 2⁶ = 660563162599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660563162669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330281581331 + 330281581332.

It is an arithmetic number, because the mean of its divisors is an integer number (330281581332).

Almost surely, 2^660563162663 is an apocalyptic number.

660563162663 is a deficient number, since it is larger than the sum of its proper divisors (1).

660563162663 is an equidigital number, since it uses as much as digits as its factorization.

660563162663 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 660563162663 in words is "six hundred sixty billion, five hundred sixty-three million, one hundred sixty-two thousand, six hundred sixty-three".