166716343 has 2 divisors, whose sum is σ = 166716344. Its totient is φ = 166716342.

The previous prime is 166716337. The next prime is 166716349. The reversal of 166716343 is 343617661.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (166716337) and next prime (166716349).

It is an emirp because it is prime and its reverse (343617661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166716343 - 2⁵ = 166716311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166716349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83358171 + 83358172.

It is an arithmetic number, because the mean of its divisors is an integer number (83358172).

Almost surely, 2^166716343 is an apocalyptic number.

166716343 is a deficient number, since it is larger than the sum of its proper divisors (1).

166716343 is an equidigital number, since it uses as much as digits as its factorization.

166716343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 166716343 is about 12911.8683001338. The cubic root of 166716343 is about 550.3758785974.

The spelling of 166716343 in words is "one hundred sixty-six million, seven hundred sixteen thousand, three hundred forty-three".