166533072 has 40 divisors (see below), whose sum is σ = 434031744. Its totient is φ = 55017984.

The previous prime is 166533061. The next prime is 166533077. The reversal of 166533072 is 270335661.

166533072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166533077) 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, 9928 + ... + 20775.

Almost surely, 2^166533072 is an apocalyptic number.

166533072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166533072 is an abundant number, since it is smaller than the sum of its proper divisors (267498672).

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

166533072 is a wasteful number, since it uses less digits than its factorization.

166533072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30827 (or 30821 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 166533072 is about 12904.7693509028. The cubic root of 166533072 is about 550.1741288874.

The spelling of 166533072 in words is "one hundred sixty-six million, five hundred thirty-three thousand, seventy-two".