6159391840 has 96 divisors (see below), whose sum is σ = 16732880640. Its totient is φ = 2098773504.

The previous prime is 6159391781. The next prime is 6159391841. The reversal of 6159391840 is 481939516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6159391841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165691 + ... + 199429.

It is an arithmetic number, because the mean of its divisors is an integer number (174300840).

Almost surely, 2^6159391840 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 6159391840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8366440320).

6159391840 is an abundant number, since it is smaller than the sum of its proper divisors (10573488800).

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

6159391840 is a wasteful number, since it uses less digits than its factorization.

6159391840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33924 (or 33916 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 6159391840 is about 78481.7930478146. The cubic root of 6159391840 is about 1833.0709621963.

The spelling of 6159391840 in words is "six billion, one hundred fifty-nine million, three hundred ninety-one thousand, eight hundred forty".