66982067 has 2 divisors, whose sum is σ = 66982068. Its totient is φ = 66982066.

The previous prime is 66982063. The next prime is 66982073. The reversal of 66982067 is 76028966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66982067 - 2² = 66982063 is a prime.

It is not a weakly prime, because it can be changed into another prime (66982061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33491033 + 33491034.

It is an arithmetic number, because the mean of its divisors is an integer number (33491034).

Almost surely, 2^66982067 is an apocalyptic number.

66982067 is a deficient number, since it is larger than the sum of its proper divisors (1).

66982067 is an equidigital number, since it uses as much as digits as its factorization.

66982067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 66982067 is about 8184.2572662399. The cubic root of 66982067 is about 406.1185701235.

The spelling of 66982067 in words is "sixty-six million, nine hundred eighty-two thousand, sixty-seven".