2000166667 has 2 divisors, whose sum is σ = 2000166668. Its totient is φ = 2000166666.

The previous prime is 2000166599. The next prime is 2000166691. The reversal of 2000166667 is 7666610002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000166667 - 2¹¹ = 2000164619 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000169667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000083333 + 1000083334.

It is an arithmetic number, because the mean of its divisors is an integer number (1000083334).

Almost surely, 2^2000166667 is an apocalyptic number.

2000166667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000166667 is an equidigital number, since it uses as much as digits as its factorization.

2000166667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2000166667 is about 44723.2229048847. Note that the first 3 decimals coincide. The cubic root of 2000166667 is about 1259.9560467997.

Adding to 2000166667 its reverse (7666610002), we get a palindrome (9666776669).

It can be divided in two parts, 20001 and 66667, that added together give a palindrome (86668).

The spelling of 2000166667 in words is "two billion, one hundred sixty-six thousand, six hundred sixty-seven".