166074871116 has 216 divisors, whose sum is σ = 503890269120. Its totient is φ = 42404134080.

The previous prime is 166074871099. The next prime is 166074871153. The reversal of 166074871116 is 611178470661.

It is a super-2 number, since 2×166074871116² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4177951 + ... + 4217513.

It is an arithmetic number, because the mean of its divisors is an integer number (2332825320).

Almost surely, 2^166074871116 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 166074871116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251945134560).

166074871116 is an abundant number, since it is smaller than the sum of its proper divisors (337815398004).

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

166074871116 is a wasteful number, since it uses less digits than its factorization.

166074871116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39665 (or 39645 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 166074871116 in words is "one hundred sixty-six billion, seventy-four million, eight hundred seventy-one thousand, one hundred sixteen".