7666836143 has 2 divisors, whose sum is σ = 7666836144. Its totient is φ = 7666836142.

The previous prime is 7666836139. The next prime is 7666836181. The reversal of 7666836143 is 3416386667.

7666836143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7666836143 - 2² = 7666836139 is a prime.

It is a super-2 number, since 2×7666836143² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7666836091 and 7666836100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7666836643) 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, 3833418071 + 3833418072.

It is an arithmetic number, because the mean of its divisors is an integer number (3833418072).

Almost surely, 2^7666836143 is an apocalyptic number.

7666836143 is a deficient number, since it is larger than the sum of its proper divisors (1).

7666836143 is an equidigital number, since it uses as much as digits as its factorization.

7666836143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 50.

The square root of 7666836143 is about 87560.4713498049. The cubic root of 7666836143 is about 1971.8417626069.

The spelling of 7666836143 in words is "seven billion, six hundred sixty-six million, eight hundred thirty-six thousand, one hundred forty-three".