10665915668567 has 2 divisors, whose sum is σ = 10665915668568. Its totient is φ = 10665915668566.

The previous prime is 10665915668563. The next prime is 10665915668647. The reversal of 10665915668567 is 76586651956601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10665915668567 - 2² = 10665915668563 is a prime.

It is a super-2 number, since 2×10665915668567² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10665915668567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10665915668563) 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, 5332957834283 + 5332957834284.

It is an arithmetic number, because the mean of its divisors is an integer number (5332957834284).

Almost surely, 2^{10665915668567} is an apocalyptic number.

10665915668567 is a deficient number, since it is larger than the sum of its proper divisors (1).

10665915668567 is an equidigital number, since it uses as much as digits as its factorization.

10665915668567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888000, while the sum is 71.

The spelling of 10665915668567 in words is "ten trillion, six hundred sixty-five billion, nine hundred fifteen million, six hundred sixty-eight thousand, five hundred sixty-seven".