66328126 has 16 divisors (see below), whose sum is σ = 104952960. Its totient is φ = 31351320.

The previous prime is 66328121. The next prime is 66328151. The reversal of 66328126 is 62182366.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66328091 and 66328100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66328121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19191 + ... + 22381.

It is an arithmetic number, because the mean of its divisors is an integer number (6559560).

Almost surely, 2^66328126 is an apocalyptic number.

66328126 is a deficient number, since it is larger than the sum of its proper divisors (38624834).

66328126 is a wasteful number, since it uses less digits than its factorization.

66328126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759.

The product of its digits is 20736, while the sum is 34.

The square root of 66328126 is about 8144.2081260243. The cubic root of 66328126 is about 404.7926103769.

Subtracting from 66328126 its reverse (62182366), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 66328126 in words is "sixty-six million, three hundred twenty-eight thousand, one hundred twenty-six".