6604415564065 has 16 divisors (see below), whose sum is σ = 8646017667840. Its totient is φ = 4803079489920.

The previous prime is 6604415564063. The next prime is 6604415564093. The reversal of 6604415564065 is 5604655144066.

It is not a de Polignac number, because 6604415564065 - 2¹ = 6604415564063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6604415564063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397141 + ... + 3656029.

It is an arithmetic number, because the mean of its divisors is an integer number (540376104240).

Almost surely, 2^{6604415564065} is an apocalyptic number.

It is an amenable number.

6604415564065 is a deficient number, since it is larger than the sum of its proper divisors (2041602103775).

6604415564065 is a wasteful number, since it uses less digits than its factorization.

6604415564065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295752.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 6604415564065 in words is "six trillion, six hundred four billion, four hundred fifteen million, five hundred sixty-four thousand, sixty-five".