166660332 has 48 divisors (see below), whose sum is σ = 406879200. Its totient is φ = 53025280.

The previous prime is 166660327. The next prime is 166660339. The reversal of 166660332 is 233066661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 166660293 and 166660302.

It is not an unprimeable number, because it can be changed into a prime (166660339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28282 + ... + 33662.

It is an arithmetic number, because the mean of its divisors is an integer number (8476650).

Almost surely, 2^166660332 is an apocalyptic number.

166660332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166660332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203439600).

166660332 is an abundant number, since it is smaller than the sum of its proper divisors (240218868).

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

166660332 is a wasteful number, since it uses less digits than its factorization.

166660332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506 (or 5504 counting only the distinct ones).

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

The square root of 166660332 is about 12909.6991444417. The cubic root of 166660332 is about 550.3142358579.

The spelling of 166660332 in words is "one hundred sixty-six million, six hundred sixty thousand, three hundred thirty-two".