666062143 has 2 divisors, whose sum is σ = 666062144. Its totient is φ = 666062142.

The previous prime is 666062113. The next prime is 666062149. The reversal of 666062143 is 341260666.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-666062143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666062099 and 666062108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (666062149) 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, 333031071 + 333031072.

It is an arithmetic number, because the mean of its divisors is an integer number (333031072).

Almost surely, 2^666062143 is an apocalyptic number.

666062143 is a deficient number, since it is larger than the sum of its proper divisors (1).

666062143 is an equidigital number, since it uses as much as digits as its factorization.

666062143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 666062143 is about 25808.1797692127. The cubic root of 666062143 is about 873.3163348510.

The spelling of 666062143 in words is "six hundred sixty-six million, sixty-two thousand, one hundred forty-three".