166309114 has 4 divisors (see below), whose sum is σ = 249463674. Its totient is φ = 83154556.

The previous prime is 166309103. The next prime is 166309123. The reversal of 166309114 is 411903661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411903661 = 13 ⋅31684897.

It can be written as a sum of positive squares in only one way, i.e., 119180889 + 47128225 = 10917^2 + 6865^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41577277 + ... + 41577280.

Almost surely, 2^166309114 is an apocalyptic number.

166309114 is a deficient number, since it is larger than the sum of its proper divisors (83154560).

166309114 is an equidigital number, since it uses as much as digits as its factorization.

166309114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83154559.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 166309114 is about 12896.0890970868. The cubic root of 166309114 is about 549.9273887614.

The spelling of 166309114 in words is "one hundred sixty-six million, three hundred nine thousand, one hundred fourteen".