166406232 has 32 divisors (see below), whose sum is σ = 421286400. Its totient is φ = 54765984.

The previous prime is 166406221. The next prime is 166406239. The reversal of 166406232 is 232604661.

166406232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166406232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166406239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41988 + ... + 45779.

It is an arithmetic number, because the mean of its divisors is an integer number (13165200).

Almost surely, 2^166406232 is an apocalyptic number.

166406232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166406232 is an abundant number, since it is smaller than the sum of its proper divisors (254880168).

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

166406232 is a wasteful number, since it uses less digits than its factorization.

166406232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87855 (or 87851 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 166406232 is about 12899.8539526616. The cubic root of 166406232 is about 550.0344132737.

The spelling of 166406232 in words is "one hundred sixty-six million, four hundred six thousand, two hundred thirty-two".