166341936768 has 256 divisors, whose sum is σ = 532358922240. Its totient is φ = 45013524480.

The previous prime is 166341936757. The next prime is 166341936793. The reversal of 166341936768 is 867639143661.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3895180 + ... + 3937652.

It is an arithmetic number, because the mean of its divisors is an integer number (2079527040).

Almost surely, 2^166341936768 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 166341936768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266179461120).

166341936768 is an abundant number, since it is smaller than the sum of its proper divisors (366016985472).

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

166341936768 is a wasteful number, since it uses less digits than its factorization.

166341936768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42575 (or 42563 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 60.

The spelling of 166341936768 in words is "one hundred sixty-six billion, three hundred forty-one million, nine hundred thirty-six thousand, seven hundred sixty-eight".