1660006067 has 2 divisors, whose sum is σ = 1660006068. Its totient is φ = 1660006066.

The previous prime is 1660006043. The next prime is 1660006069. The reversal of 1660006067 is 7606000661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1660006067 - 2¹⁰ = 1660005043 is a prime.

Together with 1660006069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1660006069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830003033 + 830003034.

It is an arithmetic number, because the mean of its divisors is an integer number (830003034).

Almost surely, 2^1660006067 is an apocalyptic number.

1660006067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660006067 is an equidigital number, since it uses as much as digits as its factorization.

1660006067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1660006067 is about 40743.1720291879. The cubic root of 1660006067 is about 1184.0495900351.

The spelling of 1660006067 in words is "one billion, six hundred sixty million, six thousand, sixty-seven".