6547939896960 has 1536 divisors, whose sum is σ = 29482364620800. Its totient is φ = 1360309800960.

The previous prime is 6547939896959. The next prime is 6547939896983. The reversal of 6547939896960 is 696989397456.

6547939896960 is a `hidden beast` number, since 6 + 5 + 479 + 3 + 9 + 89 + 6 + 9 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 6547939896960.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1448977581 + ... + 1448982099.

It is an arithmetic number, because the mean of its divisors is an integer number (19194247800).

Almost surely, 2^{6547939896960} is an apocalyptic number.

6547939896960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6547939896960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14741182310400).

6547939896960 is an abundant number, since it is smaller than the sum of its proper divisors (22934424723840).

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

6547939896960 is an equidigital number, since it uses as much as digits as its factorization.

6547939896960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 4761711360, while the sum is 81.

The spelling of 6547939896960 in words is "six trillion, five hundred forty-seven billion, nine hundred thirty-nine million, eight hundred ninety-six thousand, nine hundred sixty".