166800059 has 2 divisors, whose sum is σ = 166800060. Its totient is φ = 166800058.

The previous prime is 166800043. The next prime is 166800061. The reversal of 166800059 is 950008661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166800059 - 2⁴ = 166800043 is a prime.

Together with 166800061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (166800079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83400029 + 83400030.

It is an arithmetic number, because the mean of its divisors is an integer number (83400030).

Almost surely, 2^166800059 is an apocalyptic number.

166800059 is a deficient number, since it is larger than the sum of its proper divisors (1).

166800059 is an equidigital number, since it uses as much as digits as its factorization.

166800059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 166800059 is about 12915.1097169168. The cubic root of 166800059 is about 550.4679862580.

The spelling of 166800059 in words is "one hundred sixty-six million, eight hundred thousand, fifty-nine".