166650630 has 16 divisors (see below), whose sum is σ = 399961584. Its totient is φ = 44440160.

The previous prime is 166650619. The next prime is 166650647. The reversal of 166650630 is 36056661.

166650630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 166650591 and 166650600.

It is a congruent number.

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, 2777481 + ... + 2777540.

It is an arithmetic number, because the mean of its divisors is an integer number (24997599).

Almost surely, 2^166650630 is an apocalyptic number.

166650630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166650630 is an abundant number, since it is smaller than the sum of its proper divisors (233310954).

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

166650630 is a wasteful number, since it uses less digits than its factorization.

166650630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555031.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 166650630 is about 12909.3233749876. The cubic root of 166650630 is about 550.3035569474.

The spelling of 166650630 in words is "one hundred sixty-six million, six hundred fifty thousand, six hundred thirty".