66830106 has 64 divisors (see below), whose sum is σ = 162892800. Its totient is φ = 17853696.

The previous prime is 66830063. The next prime is 66830117. The reversal of 66830106 is 60103866.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 65730 + ... + 66738.

It is an arithmetic number, because the mean of its divisors is an integer number (2545200).

Almost surely, 2^66830106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66830106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81446400).

66830106 is an abundant number, since it is smaller than the sum of its proper divisors (96062694).

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

66830106 is a wasteful number, since it uses less digits than its factorization.

66830106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 66830106 is about 8174.9682568191. The cubic root of 66830106 is about 405.8112196357.

The spelling of 66830106 in words is "sixty-six million, eight hundred thirty thousand, one hundred six".