7666007660653 has 2 divisors, whose sum is σ = 7666007660654. Its totient is φ = 7666007660652.

The previous prime is 7666007660617. The next prime is 7666007660711. The reversal of 7666007660653 is 3560667006667.

It is an a-pointer prime, because the next prime (7666007660711) can be obtained adding 7666007660653 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6185750971689 + 1480256688964 = 2487117^2 + 1216658^2 .

It is a cyclic number.

It is not a de Polignac number, because 7666007660653 - 2²¹ = 7666005563501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7666007660053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833003830326 + 3833003830327.

It is an arithmetic number, because the mean of its divisors is an integer number (3833003830327).

Almost surely, 2^{7666007660653} is an apocalyptic number.

It is an amenable number.

7666007660653 is a deficient number, since it is larger than the sum of its proper divisors (1).

7666007660653 is an equidigital number, since it uses as much as digits as its factorization.

7666007660653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 58.

The spelling of 7666007660653 in words is "seven trillion, six hundred sixty-six billion, seven million, six hundred sixty thousand, six hundred fifty-three".