166341352249 has 2 divisors, whose sum is σ = 166341352250. Its totient is φ = 166341352248.

The previous prime is 166341352231. The next prime is 166341352267. The reversal of 166341352249 is 942253143661.

It is a balanced prime because it is at equal distance from previous prime (166341352231) and next prime (166341352267).

It can be written as a sum of positive squares in only one way, i.e., 112924897849 + 53416454400 = 336043^2 + 231120^2 .

It is a cyclic number.

It is not a de Polignac number, because 166341352249 - 2⁵ = 166341352217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166341352199 and 166341352208.

It is not a weakly prime, because it can be changed into another prime (166341352649) 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, 83170676124 + 83170676125.

It is an arithmetic number, because the mean of its divisors is an integer number (83170676125).

Almost surely, 2^166341352249 is an apocalyptic number.

It is an amenable number.

166341352249 is a deficient number, since it is larger than the sum of its proper divisors (1).

166341352249 is an equidigital number, since it uses as much as digits as its factorization.

166341352249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 46.

The spelling of 166341352249 in words is "one hundred sixty-six billion, three hundred forty-one million, three hundred fifty-two thousand, two hundred forty-nine".