166250027 has 2 divisors, whose sum is σ = 166250028. Its totient is φ = 166250026.

The previous prime is 166249933. The next prime is 166250041. The reversal of 166250027 is 720052661.

166250027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (720052661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166250027 - 2¹² = 166245931 is a prime.

It is not a weakly prime, because it can be changed into another prime (166250527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83125013 + 83125014.

It is an arithmetic number, because the mean of its divisors is an integer number (83125014).

Almost surely, 2^166250027 is an apocalyptic number.

166250027 is a deficient number, since it is larger than the sum of its proper divisors (1).

166250027 is an equidigital number, since it uses as much as digits as its factorization.

166250027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 166250027 is about 12893.7980052427. The cubic root of 166250027 is about 549.8622542101.

The spelling of 166250027 in words is "one hundred sixty-six million, two hundred fifty thousand, twenty-seven".