166606332 has 12 divisors (see below), whose sum is σ = 388748136. Its totient is φ = 55535440.

The previous prime is 166606331. The next prime is 166606343. The reversal of 166606332 is 233606661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 166606293 and 166606302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166606331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6941919 + ... + 6941942.

It is an arithmetic number, because the mean of its divisors is an integer number (32395678).

Almost surely, 2^166606332 is an apocalyptic number.

166606332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166606332 is an abundant number, since it is smaller than the sum of its proper divisors (222141804).

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

166606332 is a wasteful number, since it uses less digits than its factorization.

166606332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13883868 (or 13883866 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 166606332 is about 12907.6075242471. The cubic root of 166606332 is about 550.2547932409.

The spelling of 166606332 in words is "one hundred sixty-six million, six hundred six thousand, three hundred thirty-two".