166045332 has 24 divisors (see below), whose sum is σ = 407831200. Its totient is φ = 52435296.

The previous prime is 166045309. The next prime is 166045333. The reversal of 166045332 is 233540661.

166045332 is digitally balanced in base 2 and base 3, because in such bases 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 166045332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166045333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363907 + ... + 364362.

Almost surely, 2^166045332 is an apocalyptic number.

166045332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166045332 is an abundant number, since it is smaller than the sum of its proper divisors (241785868).

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

166045332 is a wasteful number, since it uses less digits than its factorization.

166045332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728295 (or 728293 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 166045332 is about 12885.8578294190. The cubic root of 166045332 is about 549.6364892749.

Adding to 166045332 its reverse (233540661), we get a palindrome (399585993).

The spelling of 166045332 in words is "one hundred sixty-six million, forty-five thousand, three hundred thirty-two".