6191770860 has 216 divisors, whose sum is σ = 21358406160. Its totient is φ = 1449127680.

The previous prime is 6191770843. The next prime is 6191770903. The reversal of 6191770860 is 680771916.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 626719 + ... + 636521.

It is an arithmetic number, because the mean of its divisors is an integer number (98881510).

Almost surely, 2^6191770860 is an apocalyptic number.

6191770860 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 6191770860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10679203080).

6191770860 is an abundant number, since it is smaller than the sum of its proper divisors (15166635300).

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

6191770860 is a wasteful number, since it uses less digits than its factorization.

6191770860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9869 (or 9853 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 6191770860 is about 78687.8062980536. The cubic root of 6191770860 is about 1836.2774119104.

The spelling of 6191770860 in words is "six billion, one hundred ninety-one million, seven hundred seventy thousand, eight hundred sixty".