6191854104128 has 504 divisors, whose sum is σ = 16941508143840. Its totient is φ = 2229592780800.

The previous prime is 6191854104127. The next prime is 6191854104167. The reversal of 6191854104128 is 8214014581916.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6191854104127) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 295585751 + ... + 295606697.

It is an arithmetic number, because the mean of its divisors is an integer number (33614103460).

Almost surely, 2^{6191854104128} 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 6191854104128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8470754071920).

6191854104128 is an abundant number, since it is smaller than the sum of its proper divisors (10749654039712).

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

6191854104128 is a wasteful number, since it uses less digits than its factorization.

6191854104128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21055 (or 21027 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 50.

The spelling of 6191854104128 in words is "six trillion, one hundred ninety-one billion, eight hundred fifty-four million, one hundred four thousand, one hundred twenty-eight".