166683118457707 has 2 divisors, whose sum is σ = 166683118457708. Its totient is φ = 166683118457706.

The previous prime is 166683118457693. The next prime is 166683118457797. The reversal of 166683118457707 is 707754811386661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166683118457707 - 2²⁷ = 166682984239979 is a prime.

It is not a weakly prime, because it can be changed into another prime (166683118457797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83341559228853 + 83341559228854.

It is an arithmetic number, because the mean of its divisors is an integer number (83341559228854).

Almost surely, 2^{166683118457707} is an apocalyptic number.

166683118457707 is a deficient number, since it is larger than the sum of its proper divisors (1).

166683118457707 is an equidigital number, since it uses as much as digits as its factorization.

166683118457707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 284497920, while the sum is 70.

The spelling of 166683118457707 in words is "one hundred sixty-six trillion, six hundred eighty-three billion, one hundred eighteen million, four hundred fifty-seven thousand, seven hundred seven".