6641964306 has 16 divisors (see below), whose sum is σ = 14759920800. Its totient is φ = 2213988084.

The previous prime is 6641964299. The next prime is 6641964317. The reversal of 6641964306 is 6034691466.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61499616 + ... + 61499723.

It is an arithmetic number, because the mean of its divisors is an integer number (922495050).

Almost surely, 2^6641964306 is an apocalyptic number.

6641964306 is an abundant number, since it is smaller than the sum of its proper divisors (8117956494).

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

6641964306 is a wasteful number, since it uses less digits than its factorization.

6641964306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122999350 (or 122999344 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 6641964306 is about 81498.2472572263. The cubic root of 6641964306 is about 1879.7445995664.

The spelling of 6641964306 in words is "six billion, six hundred forty-one million, nine hundred sixty-four thousand, three hundred six".