10666761277 has 2 divisors, whose sum is σ = 10666761278. Its totient is φ = 10666761276.

The previous prime is 10666761257. The next prime is 10666761289. The reversal of 10666761277 is 77216766601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10636003161 + 30758116 = 103131^2 + 5546^2 .

It is a cyclic number.

It is not a de Polignac number, because 10666761277 - 2¹⁵ = 10666728509 is a prime.

It is a super-2 number, since 2×10666761277² (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 10666761277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10666761247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333380638 + 5333380639.

It is an arithmetic number, because the mean of its divisors is an integer number (5333380639).

Almost surely, 2^10666761277 is an apocalyptic number.

It is an amenable number.

10666761277 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666761277 is an equidigital number, since it uses as much as digits as its factorization.

10666761277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 10666761277 in words is "ten billion, six hundred sixty-six million, seven hundred sixty-one thousand, two hundred seventy-seven".