6549198269328 has 640 divisors, whose sum is σ = 22807040256000. Its totient is φ = 1772845885440.

The previous prime is 6549198269303. The next prime is 6549198269399. The reversal of 6549198269328 is 8239628919456.

6549198269328 is a `hidden beast` number, since 6 + 5 + 491 + 9 + 8 + 26 + 93 + 28 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 289532803 + ... + 289555421.

It is an arithmetic number, because the mean of its divisors is an integer number (35636000400).

Almost surely, 2^{6549198269328} 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 6549198269328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11403520128000).

6549198269328 is an abundant number, since it is smaller than the sum of its proper divisors (16257841986672).

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

6549198269328 is a wasteful number, since it uses less digits than its factorization.

6549198269328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22812 (or 22800 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 72.

The spelling of 6549198269328 in words is "six trillion, five hundred forty-nine billion, one hundred ninety-eight million, two hundred sixty-nine thousand, three hundred twenty-eight".