166148659 has 2 divisors, whose sum is σ = 166148660. Its totient is φ = 166148658.

The previous prime is 166148641. The next prime is 166148669. The reversal of 166148659 is 956841661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166148659 - 2²¹ = 164051507 is a prime.

It is not a weakly prime, because it can be changed into another prime (166148669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83074329 + 83074330.

It is an arithmetic number, because the mean of its divisors is an integer number (83074330).

Almost surely, 2^166148659 is an apocalyptic number.

166148659 is a deficient number, since it is larger than the sum of its proper divisors (1).

166148659 is an equidigital number, since it uses as much as digits as its factorization.

166148659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 166148659 is about 12889.8665237465. The cubic root of 166148659 is about 549.7504752421.

The spelling of 166148659 in words is "one hundred sixty-six million, one hundred forty-eight thousand, six hundred fifty-nine".