6468609966 has 32 divisors (see below), whose sum is σ = 15922733568. Its totient is φ = 1706006880.

The previous prime is 6468609929. The next prime is 6468609971. The reversal of 6468609966 is 6699068646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5923090 + ... + 5924181.

It is an arithmetic number, because the mean of its divisors is an integer number (497585424).

Almost surely, 2^6468609966 is an apocalyptic number.

6468609966 is an abundant number, since it is smaller than the sum of its proper divisors (9454123602).

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

6468609966 is a wasteful number, since it uses less digits than its factorization.

6468609966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847296.

The product of its (nonzero) digits is 20155392, while the sum is 60.

The square root of 6468609966 is about 80427.6691568269. The cubic root of 6468609966 is about 1863.2465331932.

The spelling of 6468609966 in words is "six billion, four hundred sixty-eight million, six hundred nine thousand, nine hundred sixty-six".