166202059 has 2 divisors, whose sum is σ = 166202060. Its totient is φ = 166202058.

The previous prime is 166202053. The next prime is 166202087. The reversal of 166202059 is 950202661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166202059 - 2⁹ = 166201547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166202059.

It is not a weakly prime, because it can be changed into another prime (166202053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83101029 + 83101030.

It is an arithmetic number, because the mean of its divisors is an integer number (83101030).

Almost surely, 2^166202059 is an apocalyptic number.

166202059 is a deficient number, since it is larger than the sum of its proper divisors (1).

166202059 is an equidigital number, since it uses as much as digits as its factorization.

166202059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 166202059 is about 12891.9377519440. The cubic root of 166202059 is about 549.8093653370.

The spelling of 166202059 in words is "one hundred sixty-six million, two hundred two thousand, fifty-nine".