166843516760 has 32 divisors (see below), whose sum is σ = 375415754400. Its totient is φ = 66734234880.

The previous prime is 166843516751. The next prime is 166843516837. The reversal of 166843516760 is 67615348661.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 870005 + ... + 1044315.

It is an arithmetic number, because the mean of its divisors is an integer number (11731742325).

Almost surely, 2^166843516760 is an apocalyptic number.

166843516760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166843516760 is an abundant number, since it is smaller than the sum of its proper divisors (208572237640).

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

166843516760 is a wasteful number, since it uses less digits than its factorization.

166843516760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198251 (or 198247 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 166843516760 in words is "one hundred sixty-six billion, eight hundred forty-three million, five hundred sixteen thousand, seven hundred sixty".