10656766573 has 2 divisors, whose sum is σ = 10656766574. Its totient is φ = 10656766572.

The previous prime is 10656766457. The next prime is 10656766579. The reversal of 10656766573 is 37566765601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10217570724 + 439195849 = 101082^2 + 20957^2 .

It is a cyclic number.

It is not a de Polignac number, because 10656766573 - 2⁹ = 10656766061 is a prime.

It is a super-2 number, since 2×10656766573² (a number of 21 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 10656766573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10656766579) 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, 5328383286 + 5328383287.

It is an arithmetic number, because the mean of its divisors is an integer number (5328383287).

Almost surely, 2^10656766573 is an apocalyptic number.

It is an amenable number.

10656766573 is a deficient number, since it is larger than the sum of its proper divisors (1).

10656766573 is an equidigital number, since it uses as much as digits as its factorization.

10656766573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 10656766573 in words is "ten billion, six hundred fifty-six million, seven hundred sixty-six thousand, five hundred seventy-three".