6159581280 has 384 divisors, whose sum is σ = 22140518400. Its totient is φ = 1598994432.

The previous prime is 6159581269. The next prime is 6159581293. The reversal of 6159581280 is 821859516.

It is a happy number.

6159581280 is a `hidden beast` number, since 61 + 5 + 9 + 581 + 2 + 8 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48500577 + ... + 48500703.

It is an arithmetic number, because the mean of its divisors is an integer number (57657600).

Almost surely, 2^6159581280 is an apocalyptic number.

6159581280 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 6159581280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11070259200).

6159581280 is an abundant number, since it is smaller than the sum of its proper divisors (15980937120).

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

6159581280 is a wasteful number, since it uses less digits than its factorization.

6159581280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 6159581280 is about 78482.9999426627. Note that the first 4 decimals coincide. The cubic root of 6159581280 is about 1833.0897548202.

The spelling of 6159581280 in words is "six billion, one hundred fifty-nine million, five hundred eighty-one thousand, two hundred eighty".