166534432 has 24 divisors (see below), whose sum is σ = 328160700. Its totient is φ = 83192064.

The previous prime is 166534391. The next prime is 166534477. The reversal of 166534432 is 234435661.

It can be written as a sum of positive squares in 2 ways, for example, as 130965136 + 35569296 = 11444^2 + 5964^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55794 + ... + 58702.

Almost surely, 2^166534432 is an apocalyptic number.

It is an amenable number.

166534432 is a deficient number, since it is larger than the sum of its proper divisors (161626268).

166534432 is a wasteful number, since it uses less digits than its factorization.

166534432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4700 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 166534432 is about 12904.8220444917. The cubic root of 166534432 is about 550.1756265574.

The spelling of 166534432 in words is "one hundred sixty-six million, five hundred thirty-four thousand, four hundred thirty-two".