8461505665304 has 16 divisors (see below), whose sum is σ = 16202883189600. Its totient is φ = 4140736814752.

The previous prime is 8461505665297. The next prime is 8461505665309. The reversal of 8461505665304 is 4035665051648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461505665309) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11252001839 + ... + 11252002590.

It is an arithmetic number, because the mean of its divisors is an integer number (1012680199350).

Almost surely, 2^{8461505665304} is an apocalyptic number.

It is an amenable number.

8461505665304 is a deficient number, since it is larger than the sum of its proper divisors (7741377524296).

8461505665304 is a wasteful number, since it uses less digits than its factorization.

8461505665304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22504004482 (or 22504004478 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 8461505665304 in words is "eight trillion, four hundred sixty-one billion, five hundred five million, six hundred sixty-five thousand, three hundred four".