1065662518663 has 2 divisors, whose sum is σ = 1065662518664. Its totient is φ = 1065662518662.

The previous prime is 1065662518621. The next prime is 1065662518681. The reversal of 1065662518663 is 3668152665601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065662518663 is a prime.

It is a super-2 number, since 2×1065662518663² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065662518603) 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, 532831259331 + 532831259332.

It is an arithmetic number, because the mean of its divisors is an integer number (532831259332).

Almost surely, 2^{1065662518663} is an apocalyptic number.

1065662518663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065662518663 is an equidigital number, since it uses as much as digits as its factorization.

1065662518663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 1065662518663 in words is "one trillion, sixty-five billion, six hundred sixty-two million, five hundred eighteen thousand, six hundred sixty-three".