166334528 has 84 divisors (see below), whose sum is σ = 366605820. Its totient is φ = 74871808.

The previous prime is 166334527. The next prime is 166334543. The reversal of 166334528 is 825433661.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 91546624 + 74787904 = 9568^2 + 8648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166334491 and 166334500.

It is not an unprimeable number, because it can be changed into a prime (166334521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7231925 + ... + 7231947.

It is an arithmetic number, because the mean of its divisors is an integer number (4364355).

Almost surely, 2^166334528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166334528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183302910).

166334528 is an abundant number, since it is smaller than the sum of its proper divisors (200271292).

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

166334528 is an frugal number, since it uses more digits than its factorization.

166334528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 42 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 166334528 is about 12897.0743969320. The cubic root of 166334528 is about 549.9553991381.

The spelling of 166334528 in words is "one hundred sixty-six million, three hundred thirty-four thousand, five hundred twenty-eight".