6558797720160 has 336 divisors, whose sum is σ = 26550988150176. Its totient is φ = 1499153577984.

The previous prime is 6558797720131. The next prime is 6558797720201. The reversal of 6558797720160 is 610277978556.

6558797720160 is a `hidden beast` number, since 6 + 558 + 7 + 9 + 7 + 72 + 0 + 1 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3200029 + ... + 4832988.

It is an arithmetic number, because the mean of its divisors is an integer number (79020798066).

Almost surely, 2^{6558797720160} is an apocalyptic number.

6558797720160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6558797720160 is an abundant number, since it is smaller than the sum of its proper divisors (19992190430016).

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

6558797720160 is an equidigital number, since it uses as much as digits as its factorization.

6558797720160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033057 (or 8033034 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 6558797720160 in words is "six trillion, five hundred fifty-eight billion, seven hundred ninety-seven million, seven hundred twenty thousand, one hundred sixty".