646067116 has 24 divisors (see below), whose sum is σ = 1204066080. Its totient is φ = 302268672.

The previous prime is 646067111. The next prime is 646067117. The reversal of 646067116 is 611760646.

It is not an unprimeable number, because it can be changed into a prime (646067111) by changing a digit.

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, 15696 + ... + 39223.

It is an arithmetic number, because the mean of its divisors is an integer number (50169420).

Almost surely, 2^646067116 is an apocalyptic number.

It is an amenable number.

646067116 is a deficient number, since it is larger than the sum of its proper divisors (557998964).

646067116 is a wasteful number, since it uses less digits than its factorization.

646067116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55113 (or 55111 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 646067116 is about 25417.8503418365. The cubic root of 646067116 is about 864.4884837025.

The spelling of 646067116 in words is "six hundred forty-six million, sixty-seven thousand, one hundred sixteen".