166843730316320 has 192 divisors, whose sum is σ = 399290768472960. Its totient is φ = 65875294076928.

The previous prime is 166843730316299. The next prime is 166843730316331. The reversal of 166843730316320 is 23613037348661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11714079119 + ... + 11714093361.

It is an arithmetic number, because the mean of its divisors is an integer number (2079639419130).

Almost surely, 2^{166843730316320} is an apocalyptic number.

166843730316320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166843730316320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199645384236480).

166843730316320 is an abundant number, since it is smaller than the sum of its proper divisors (232447038156640).

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

166843730316320 is a wasteful number, since it uses less digits than its factorization.

166843730316320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987 (or 16979 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 166843730316320 in words is "one hundred sixty-six trillion, eight hundred forty-three billion, seven hundred thirty million, three hundred sixteen thousand, three hundred twenty".