6172158720 has 576 divisors, whose sum is σ = 25713192960. Its totient is φ = 1224474624.

The previous prime is 6172158623. The next prime is 6172158731. The reversal of 6172158720 is 278512716.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5939961 + ... + 5940999.

It is an arithmetic number, because the mean of its divisors is an integer number (44640960).

Almost surely, 2^6172158720 is an apocalyptic number.

6172158720 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 6172158720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12856596480).

6172158720 is an abundant number, since it is smaller than the sum of its proper divisors (19541034240).

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

6172158720 is a wasteful number, since it uses less digits than its factorization.

6172158720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 6172158720 is about 78563.0875157029. The cubic root of 6172158720 is about 1834.3365874919.

The spelling of 6172158720 in words is "six billion, one hundred seventy-two million, one hundred fifty-eight thousand, seven hundred twenty".