6191434368 has 256 divisors, whose sum is σ = 21451334400. Its totient is φ = 1720922112.

The previous prime is 6191434351. The next prime is 6191434439. The reversal of 6191434368 is 8634341916.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 891646 + ... + 898562.

It is an arithmetic number, because the mean of its divisors is an integer number (83794275).

Almost surely, 2^6191434368 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 6191434368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10725667200).

6191434368 is an abundant number, since it is smaller than the sum of its proper divisors (15259900032).

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

6191434368 is a wasteful number, since it uses less digits than its factorization.

6191434368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984 (or 6966 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 6191434368 is about 78685.6681232358. The cubic root of 6191434368 is about 1836.2441471215.

The spelling of 6191434368 in words is "six billion, one hundred ninety-one million, four hundred thirty-four thousand, three hundred sixty-eight".