166303147 has 2 divisors, whose sum is σ = 166303148. Its totient is φ = 166303146.

The previous prime is 166303103. The next prime is 166303157. The reversal of 166303147 is 741303661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166303147 - 2²³ = 157914539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (166303157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83151573 + 83151574.

It is an arithmetic number, because the mean of its divisors is an integer number (83151574).

Almost surely, 2^166303147 is an apocalyptic number.

166303147 is a deficient number, since it is larger than the sum of its proper divisors (1).

166303147 is an equidigital number, since it uses as much as digits as its factorization.

166303147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 166303147 is about 12895.8577458035. The cubic root of 166303147 is about 549.9208117396.

The spelling of 166303147 in words is "one hundred sixty-six million, three hundred three thousand, one hundred forty-seven".