166441265532067 has 2 divisors, whose sum is σ = 166441265532068. Its totient is φ = 166441265532066.

The previous prime is 166441265532011. The next prime is 166441265532083. The reversal of 166441265532067 is 760235562144661.

It is a strong prime.

It is an emirp because it is prime and its reverse (760235562144661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166441265532067 - 2⁷ = 166441265531939 is a prime.

It is not a weakly prime, because it can be changed into another prime (166441265532467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83220632766033 + 83220632766034.

It is an arithmetic number, because the mean of its divisors is an integer number (83220632766034).

Almost surely, 2^{166441265532067} is an apocalyptic number.

166441265532067 is a deficient number, since it is larger than the sum of its proper divisors (1).

166441265532067 is an equidigital number, since it uses as much as digits as its factorization.

166441265532067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 166441265532067 in words is "one hundred sixty-six trillion, four hundred forty-one billion, two hundred sixty-five million, five hundred thirty-two thousand, sixty-seven".