166406608 has 40 divisors (see below), whose sum is σ = 342513792. Its totient is φ = 78048768.

The previous prime is 166406599. The next prime is 166406623. The reversal of 166406608 is 806604661.

166406608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98991 + ... + 100657.

Almost surely, 2^166406608 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 166406608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171256896).

166406608 is an abundant number, since it is smaller than the sum of its proper divisors (176107184).

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

166406608 is a wasteful number, since it uses less digits than its factorization.

166406608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 166406608 is about 12899.8685264618. The cubic root of 166406608 is about 550.0348275466.

The spelling of 166406608 in words is "one hundred sixty-six million, four hundred six thousand, six hundred eight".