166530232 has 32 divisors (see below), whose sum is σ = 360670320. Its totient is φ = 71242240.

The previous prime is 166530197. The next prime is 166530251. The reversal of 166530232 is 232035661.

166530232 is digitally balanced in base 2, 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 166530232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54163 + ... + 57154.

Almost surely, 2^166530232 is an apocalyptic number.

It is an amenable number.

166530232 is an abundant number, since it is smaller than the sum of its proper divisors (194140088).

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

166530232 is a wasteful number, since it uses less digits than its factorization.

166530232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111351 (or 111347 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 166530232 is about 12904.6593135968. The cubic root of 166530232 is about 550.1710013736.

Adding to 166530232 its reverse (232035661), we get a palindrome (398565893).

The spelling of 166530232 in words is "one hundred sixty-six million, five hundred thirty thousand, two hundred thirty-two".