166350686208 has 192 divisors, whose sum is σ = 523203932160. Its totient is φ = 45995212800.

The previous prime is 166350686189. The next prime is 166350686261. The reversal of 166350686208 is 802686053661.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1270863 + ... + 1395633.

It is an arithmetic number, because the mean of its divisors is an integer number (2725020480).

Almost surely, 2^166350686208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166350686208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261601966080).

166350686208 is an abundant number, since it is smaller than the sum of its proper divisors (356853245952).

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

166350686208 is a wasteful number, since it uses less digits than its factorization.

166350686208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124834 (or 124814 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 166350686208 in words is "one hundred sixty-six billion, three hundred fifty million, six hundred eighty-six thousand, two hundred eight".