6554327619840 has 4608 divisors, whose sum is σ = 32042594304000. Its totient is φ = 1119061278720.

The previous prime is 6554327619839. The next prime is 6554327619859. The reversal of 6554327619840 is 489167234556.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 73644130516 + ... + 73644130604.

It is an arithmetic number, because the mean of its divisors is an integer number (6953688000).

It is a 1-persistent number, because it is pandigital, but 2⋅6554327619840 = 13108655239680 is not.

Almost surely, 2^{6554327619840} is an apocalyptic number.

6554327619840 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 6554327619840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16021297152000).

6554327619840 is an abundant number, since it is smaller than the sum of its proper divisors (25488266684160).

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

6554327619840 is a wasteful number, since it uses less digits than its factorization.

6554327619840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 6554327619840 in words is "six trillion, five hundred fifty-four billion, three hundred twenty-seven million, six hundred nineteen thousand, eight hundred forty".