166204608 has 56 divisors (see below), whose sum is σ = 448074288. Its totient is φ = 54352896.

The previous prime is 166204607. The next prime is 166204627. The reversal of 166204608 is 806402661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166204607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2010 + ... + 18342.

Almost surely, 2^166204608 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 166204608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224037144).

166204608 is an abundant number, since it is smaller than the sum of its proper divisors (281869680).

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

166204608 is a wasteful number, since it uses less digits than its factorization.

166204608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16401 (or 16391 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 166204608 is about 12892.0366118003. The cubic root of 166204608 is about 549.8121760862.

The spelling of 166204608 in words is "one hundred sixty-six million, two hundred four thousand, six hundred eight".