6547397662080 has 576 divisors, whose sum is σ = 25201403004960. Its totient is φ = 1564880486400.

The previous prime is 6547397662033. The next prime is 6547397662093. The reversal of 6547397662080 is 802667937456.

6547397662080 is a `hidden beast` number, since 6 + 5 + 473 + 9 + 7 + 66 + 20 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×6547397662080² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6547397661999 and 6547397662017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 49418004 + ... + 49550316.

Almost surely, 2^{6547397662080} is an apocalyptic number.

6547397662080 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 6547397662080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12600701502480).

6547397662080 is an abundant number, since it is smaller than the sum of its proper divisors (18654005342880).

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

6547397662080 is a wasteful number, since it uses less digits than its factorization.

6547397662080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132431 (or 132405 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 6547397662080 in words is "six trillion, five hundred forty-seven billion, three hundred ninety-seven million, six hundred sixty-two thousand, eighty".