166327087 has 2 divisors, whose sum is σ = 166327088. Its totient is φ = 166327086.

The previous prime is 166327081. The next prime is 166327097. The reversal of 166327087 is 780723661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166327087 - 2²⁷ = 32109359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166327081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83163543 + 83163544.

It is an arithmetic number, because the mean of its divisors is an integer number (83163544).

Almost surely, 2^166327087 is an apocalyptic number.

166327087 is a deficient number, since it is larger than the sum of its proper divisors (1).

166327087 is an equidigital number, since it uses as much as digits as its factorization.

166327087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 166327087 is about 12896.7859174292. The cubic root of 166327087 is about 549.9471982368.

The spelling of 166327087 in words is "one hundred sixty-six million, three hundred twenty-seven thousand, eighty-seven".