166345814 has 16 divisors (see below), whose sum is σ = 258425856. Its totient is φ = 80221800.

The previous prime is 166345813. The next prime is 166345843. The reversal of 166345814 is 418543661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166345813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14969 + ... + 23595.

It is an arithmetic number, because the mean of its divisors is an integer number (16151616).

Almost surely, 2^166345814 is an apocalyptic number.

166345814 is a deficient number, since it is larger than the sum of its proper divisors (92080042).

166345814 is a wasteful number, since it uses less digits than its factorization.

166345814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8971.

The product of its digits is 69120, while the sum is 38.

The square root of 166345814 is about 12897.5119306012. The cubic root of 166345814 is about 549.9678372377.

The spelling of 166345814 in words is "one hundred sixty-six million, three hundred forty-five thousand, eight hundred fourteen".