66946116 has 24 divisors (see below), whose sum is σ = 157006080. Its totient is φ = 22201312.

The previous prime is 66946093. The next prime is 66946127. The reversal of 66946116 is 61164966.

66946116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11796 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (6541920).

Almost surely, 2^66946116 is an apocalyptic number.

It is an amenable number.

66946116 is an abundant number, since it is smaller than the sum of its proper divisors (90059964).

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

66946116 is a wasteful number, since it uses less digits than its factorization.

66946116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28523 (or 28521 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 66946116 is about 8182.0606206505. The cubic root of 66946116 is about 406.0458990227.

The spelling of 66946116 in words is "sixty-six million, nine hundred forty-six thousand, one hundred sixteen".