6209665316064 has 144 divisors (see below), whose sum is σ = 20298068979552. Its totient is φ = 1763934557184.

The previous prime is 6209665316053. The next prime is 6209665316081. The reversal of 6209665316064 is 4606135669026.

6209665316064 is a `hidden beast` number, since 6 + 20 + 9 + 6 + 6 + 5 + 3 + 1 + 606 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×6209665316064³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6209665316064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8553519 + ... + 9251054.

It is an arithmetic number, because the mean of its divisors is an integer number (140958812358).

Almost surely, 2^{6209665316064} is an apocalyptic number.

It is an amenable number.

6209665316064 is an abundant number, since it is smaller than the sum of its proper divisors (14088403663488).

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

6209665316064 is a wasteful number, since it uses less digits than its factorization.

6209665316064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17804769 (or 17804758 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 6209665316064 in words is "six trillion, two hundred nine billion, six hundred sixty-five million, three hundred sixteen thousand, sixty-four".