166818316 has 24 divisors (see below), whose sum is σ = 344400896. Its totient is φ = 69186960.

The previous prime is 166818313. The next prime is 166818319. The reversal of 166818316 is 613818661.

166818316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166818313) and next prime (166818319).

It is not an unprimeable number, because it can be changed into a prime (166818313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95226 + ... + 96961.

Almost surely, 2^166818316 is an apocalyptic number.

It is an amenable number.

166818316 is an abundant number, since it is smaller than the sum of its proper divisors (177582580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166818316 is a wasteful number, since it uses less digits than its factorization.

166818316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192229 (or 192227 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 166818316 is about 12915.8165053550. The cubic root of 166818316 is about 550.4880692393.

The spelling of 166818316 in words is "one hundred sixty-six million, eight hundred eighteen thousand, three hundred sixteen".