166306912630 has 32 divisors (see below), whose sum is σ = 304415203680. Its totient is φ = 65398821120.

The previous prime is 166306912609. The next prime is 166306912679. The reversal of 166306912630 is 36219603661.

166306912630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143466 + ... + 1280674.

It is an arithmetic number, because the mean of its divisors is an integer number (9512975115).

Almost surely, 2^166306912630 is an apocalyptic number.

166306912630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166306912630 is a deficient number, since it is larger than the sum of its proper divisors (138108291050).

166306912630 is a wasteful number, since it uses less digits than its factorization.

166306912630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139264.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 166306912630 in words is "one hundred sixty-six billion, three hundred six million, nine hundred twelve thousand, six hundred thirty".