6171232128 has 64 divisors (see below), whose sum is σ = 16477467600. Its totient is φ = 2046394368.

The previous prime is 6171232121. The next prime is 6171232141. The reversal of 6171232128 is 8212321716.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6171232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32478 + ... + 115746.

Almost surely, 2^6171232128 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 6171232128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8238733800).

6171232128 is an abundant number, since it is smaller than the sum of its proper divisors (10306235472).

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

6171232128 is a wasteful number, since it uses less digits than its factorization.

6171232128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83479 (or 83467 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 6171232128 is about 78557.1901737836. The cubic root of 6171232128 is about 1834.2447899677.

The spelling of 6171232128 in words is "six billion, one hundred seventy-one million, two hundred thirty-two thousand, one hundred twenty-eight".