166630312 has 32 divisors (see below), whose sum is σ = 316281600. Its totient is φ = 82296000.

The previous prime is 166630307. The next prime is 166630327. The reversal of 166630312 is 213036661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327114 + ... + 327622.

It is an arithmetic number, because the mean of its divisors is an integer number (9883800).

Almost surely, 2^166630312 is an apocalyptic number.

It is an amenable number.

166630312 is a deficient number, since it is larger than the sum of its proper divisors (149651288).

166630312 is a wasteful number, since it uses less digits than its factorization.

166630312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 166630312 is about 12908.5364003825. The cubic root of 166630312 is about 550.2811917512.

Adding to 166630312 its reverse (213036661), we get a palindrome (379666973).

The spelling of 166630312 in words is "one hundred sixty-six million, six hundred thirty thousand, three hundred twelve".