166580448 has 96 divisors (see below), whose sum is σ = 463357440. Its totient is φ = 52254720.

The previous prime is 166580441. The next prime is 166580483. The reversal of 166580448 is 844085661.

166580448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166580441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494136 + ... + 494472.

It is an arithmetic number, because the mean of its divisors is an integer number (4826640).

Almost surely, 2^166580448 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 166580448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231678720).

166580448 is an abundant number, since it is smaller than the sum of its proper divisors (296776992).

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

166580448 is a wasteful number, since it uses less digits than its factorization.

166580448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 166580448 is about 12906.6048207885. The cubic root of 166580448 is about 550.2262958592.

The spelling of 166580448 in words is "one hundred sixty-six million, five hundred eighty thousand, four hundred forty-eight".