66460602645967 has 2 divisors, whose sum is σ = 66460602645968. Its totient is φ = 66460602645966.

The previous prime is 66460602645959. The next prime is 66460602646033. The reversal of 66460602645967 is 76954620606466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66460602645967 - 2³ = 66460602645959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66460602649967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33230301322983 + 33230301322984.

It is an arithmetic number, because the mean of its divisors is an integer number (33230301322984).

Almost surely, 2^{66460602645967} is an apocalyptic number.

66460602645967 is a deficient number, since it is larger than the sum of its proper divisors (1).

66460602645967 is an equidigital number, since it uses as much as digits as its factorization.

66460602645967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470292480, while the sum is 67.

The spelling of 66460602645967 in words is "sixty-six trillion, four hundred sixty billion, six hundred two million, six hundred forty-five thousand, nine hundred sixty-seven".