166530632 has 16 divisors (see below), whose sum is σ = 313611900. Its totient is φ = 82900800.

The previous prime is 166530631. The next prime is 166530641. The reversal of 166530632 is 236035661.

166530632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 166048996 + 481636 = 12886^2 + 694^2 .

It is not an unprimeable number, because it can be changed into a prime (166530631) by changing a digit.

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, 43619 + ... + 47282.

Almost surely, 2^166530632 is an apocalyptic number.

It is an amenable number.

166530632 is a deficient number, since it is larger than the sum of its proper divisors (147081268).

166530632 is a wasteful number, since it uses less digits than its factorization.

166530632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91136 (or 91132 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 166530632 is about 12904.6748118657. The cubic root of 166530632 is about 550.1714418707.

The spelling of 166530632 in words is "one hundred sixty-six million, five hundred thirty thousand, six hundred thirty-two".