166014187 has 2 divisors, whose sum is σ = 166014188. Its totient is φ = 166014186.

The previous prime is 166014181. The next prime is 166014203. The reversal of 166014187 is 781410661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166014187 - 2²³ = 157625579 is a prime.

It is not a weakly prime, because it can be changed into another prime (166014181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83007093 + 83007094.

It is an arithmetic number, because the mean of its divisors is an integer number (83007094).

Almost surely, 2^166014187 is an apocalyptic number.

166014187 is a deficient number, since it is larger than the sum of its proper divisors (1).

166014187 is an equidigital number, since it uses as much as digits as its factorization.

166014187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 166014187 is about 12884.6492773377. The cubic root of 166014187 is about 549.6021221563.

The spelling of 166014187 in words is "one hundred sixty-six million, fourteen thousand, one hundred eighty-seven".