166341352267 has 2 divisors, whose sum is σ = 166341352268. Its totient is φ = 166341352266.

The previous prime is 166341352249. The next prime is 166341352277. The reversal of 166341352267 is 762253143661.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (762253143661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166341352267 - 2²³ = 166332963659 is a prime.

It is not a weakly prime, because it can be changed into another prime (166341352217) 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, 83170676133 + 83170676134.

It is an arithmetic number, because the mean of its divisors is an integer number (83170676134).

Almost surely, 2^166341352267 is an apocalyptic number.

166341352267 is a deficient number, since it is larger than the sum of its proper divisors (1).

166341352267 is an equidigital number, since it uses as much as digits as its factorization.

166341352267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 46.

The spelling of 166341352267 in words is "one hundred sixty-six billion, three hundred forty-one million, three hundred fifty-two thousand, two hundred sixty-seven".