7666636325141 has 2 divisors, whose sum is σ = 7666636325142. Its totient is φ = 7666636325140.

The previous prime is 7666636325129. The next prime is 7666636325167. The reversal of 7666636325141 is 1415236366667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7657002902641 + 9633422500 = 2767129^2 + 98150^2 .

It is a cyclic number.

It is not a de Polignac number, because 7666636325141 - 2⁶ = 7666636325077 is a prime.

It is a super-3 number, since 3×7666636325141³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7666636325191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833318162570 + 3833318162571.

It is an arithmetic number, because the mean of its divisors is an integer number (3833318162571).

Almost surely, 2^{7666636325141} is an apocalyptic number.

It is an amenable number.

7666636325141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7666636325141 is an equidigital number, since it uses as much as digits as its factorization.

7666636325141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 56.

The spelling of 7666636325141 in words is "seven trillion, six hundred sixty-six billion, six hundred thirty-six million, three hundred twenty-five thousand, one hundred forty-one".