166343063 has 2 divisors, whose sum is σ = 166343064. Its totient is φ = 166343062.

The previous prime is 166343041. The next prime is 166343087. The reversal of 166343063 is 360343661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166343063 - 2⁶ = 166342999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166345063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83171531 + 83171532.

It is an arithmetic number, because the mean of its divisors is an integer number (83171532).

Almost surely, 2^166343063 is an apocalyptic number.

166343063 is a deficient number, since it is larger than the sum of its proper divisors (1).

166343063 is an equidigital number, since it uses as much as digits as its factorization.

166343063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 166343063 is about 12897.4052816836. The cubic root of 166343063 is about 549.9648054614.

The spelling of 166343063 in words is "one hundred sixty-six million, three hundred forty-three thousand, sixty-three".