6766124216651 has 2 divisors, whose sum is σ = 6766124216652. Its totient is φ = 6766124216650.

The previous prime is 6766124216639. The next prime is 6766124216681. The reversal of 6766124216651 is 1566124216676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6766124216651 - 2¹⁴ = 6766124200267 is a prime.

It is a super-2 number, since 2×6766124216651² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6766124216593 and 6766124216602.

It is not a weakly prime, because it can be changed into another prime (6766124216681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383062108325 + 3383062108326.

It is an arithmetic number, because the mean of its divisors is an integer number (3383062108326).

Almost surely, 2^{6766124216651} is an apocalyptic number.

6766124216651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6766124216651 is an equidigital number, since it uses as much as digits as its factorization.

6766124216651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 53.

The spelling of 6766124216651 in words is "six trillion, seven hundred sixty-six billion, one hundred twenty-four million, two hundred sixteen thousand, six hundred fifty-one".