12166608 has 40 divisors (see below), whose sum is σ = 32105088. Its totient is φ = 3968512.

The previous prime is 12166607. The next prime is 12166667. The reversal of 12166608 is 80666121.

12166608 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 not an unprimeable number, because it can be changed into a prime (12166607) 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, 441 + ... + 4952.

Almost surely, 2^12166608 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 12166608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16052544).

12166608 is an abundant number, since it is smaller than the sum of its proper divisors (19938480).

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

12166608 is a wasteful number, since it uses less digits than its factorization.

12166608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12166608 is about 3488.0665131273. The cubic root of 12166608 is about 229.9975299042.

The spelling of 12166608 in words is "twelve million, one hundred sixty-six thousand, six hundred eight".