166582471584280 has 16 divisors (see below), whose sum is σ = 374810561064720. Its totient is φ = 66632988633696.

The previous prime is 166582471584187. The next prime is 166582471584283. The reversal of 166582471584280 is 82485174285661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166582471584283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082280894764 + ... + 2082280894843.

It is an arithmetic number, because the mean of its divisors is an integer number (23425660066545).

Almost surely, 2^{166582471584280} is an apocalyptic number.

166582471584280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166582471584280 is an abundant number, since it is smaller than the sum of its proper divisors (208228089480440).

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

166582471584280 is a wasteful number, since it uses less digits than its factorization.

166582471584280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164561789618 (or 4164561789614 counting only the distinct ones).

The product of its (nonzero) digits is 206438400, while the sum is 67.

The spelling of 166582471584280 in words is "one hundred sixty-six trillion, five hundred eighty-two billion, four hundred seventy-one million, five hundred eighty-four thousand, two hundred eighty".