166150087 has 2 divisors, whose sum is σ = 166150088. Its totient is φ = 166150086.

The previous prime is 166150067. The next prime is 166150093. The reversal of 166150087 is 780051661.

It is a strong prime.

It is an emirp because it is prime and its reverse (780051661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166150087 - 2¹¹ = 166148039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166150007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83075043 + 83075044.

It is an arithmetic number, because the mean of its divisors is an integer number (83075044).

Almost surely, 2^166150087 is an apocalyptic number.

166150087 is a deficient number, since it is larger than the sum of its proper divisors (1).

166150087 is an equidigital number, since it uses as much as digits as its factorization.

166150087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 166150087 is about 12889.9219159776. The cubic root of 166150087 is about 549.7520502201.

The spelling of 166150087 in words is "one hundred sixty-six million, one hundred fifty thousand, eighty-seven".