166606132 has 48 divisors (see below), whose sum is σ = 364654080. Its totient is φ = 64706400.

The previous prime is 166606129. The next prime is 166606159. The reversal of 166606132 is 231606661.

It is a junction number, because it is equal to n+sod(n) for n = 166606094 and 166606103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128407 + ... + 129697.

It is an arithmetic number, because the mean of its divisors is an integer number (7596960).

Almost surely, 2^166606132 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 166606132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182327040).

166606132 is an abundant number, since it is smaller than the sum of its proper divisors (198047948).

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

166606132 is a wasteful number, since it uses less digits than its factorization.

166606132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 166606132 is about 12907.5997768756. The cubic root of 166606132 is about 550.2545730592.

The spelling of 166606132 in words is "one hundred sixty-six million, six hundred six thousand, one hundred thirty-two".