667606152152743 has 2 divisors, whose sum is σ = 667606152152744. Its totient is φ = 667606152152742.

The previous prime is 667606152152689. The next prime is 667606152152809. The reversal of 667606152152743 is 347251251606766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667606152152743 - 2²⁹ = 667605615281831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667606152152143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333803076076371 + 333803076076372.

It is an arithmetic number, because the mean of its divisors is an integer number (333803076076372).

Almost surely, 2^{667606152152743} is an apocalyptic number.

667606152152743 is a deficient number, since it is larger than the sum of its proper divisors (1).

667606152152743 is an equidigital number, since it uses as much as digits as its factorization.

667606152152743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 667606152152743 in words is "six hundred sixty-seven trillion, six hundred six billion, one hundred fifty-two million, one hundred fifty-two thousand, seven hundred forty-three".