166471161892 has 96 divisors (see below), whose sum is σ = 352739487744. Its totient is φ = 67199932800.

The previous prime is 166471161887. The next prime is 166471161893. The reversal of 166471161892 is 298161174661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166471161893) 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, 49974667 + ... + 49977997.

It is an arithmetic number, because the mean of its divisors is an integer number (3674369664).

Almost surely, 2^166471161892 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 166471161892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176369743872).

166471161892 is an abundant number, since it is smaller than the sum of its proper divisors (186268325852).

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

166471161892 is a wasteful number, since it uses less digits than its factorization.

166471161892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529 (or 4527 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The spelling of 166471161892 in words is "one hundred sixty-six billion, four hundred seventy-one million, one hundred sixty-one thousand, eight hundred ninety-two".