6496558709472 has 336 divisors, whose sum is σ = 21041186237568. Its totient is φ = 1961220418560.

The previous prime is 6496558709441. The next prime is 6496558709477. The reversal of 6496558709472 is 2749078556946.

6496558709472 is a `hidden beast` number, since 6 + 49 + 65 + 58 + 7 + 0 + 9 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 6496558709472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6496558709477) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 15870897 + ... + 16275087.

It is an arithmetic number, because the mean of its divisors is an integer number (62622578088).

Almost surely, 2^{6496558709472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6496558709472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10520593118784).

6496558709472 is an abundant number, since it is smaller than the sum of its proper divisors (14544627528096).

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

6496558709472 is a wasteful number, since it uses less digits than its factorization.

6496558709472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404285 (or 404262 counting only the distinct ones).

The product of its (nonzero) digits is 914457600, while the sum is 72.

The spelling of 6496558709472 in words is "six trillion, four hundred ninety-six billion, five hundred fifty-eight million, seven hundred nine thousand, four hundred seventy-two".