166095494977728 has 224 divisors, whose sum is σ = 473564888710848. Its totient is φ = 51186401280000.

The previous prime is 166095494977721. The next prime is 166095494977739. The reversal of 166095494977728 is 827779494590661.

166095494977728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166095494977721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150170728 + ... + 151272728.

Almost surely, 2^{166095494977728} 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 166095494977728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236782444355424).

166095494977728 is an abundant number, since it is smaller than the sum of its proper divisors (307469393733120).

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

166095494977728 is a wasteful number, since it uses less digits than its factorization.

166095494977728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102851 (or 1102841 counting only the distinct ones).

The product of its (nonzero) digits is 11522165760, while the sum is 84.

The spelling of 166095494977728 in words is "one hundred sixty-six trillion, ninety-five billion, four hundred ninety-four million, nine hundred seventy-seven thousand, seven hundred twenty-eight".