6512143960 has 128 divisors (see below), whose sum is σ = 17446809600. Its totient is φ = 2140577280.

The previous prime is 6512143951. The next prime is 6512144003. The reversal of 6512143960 is 693412156.

It is a congruent number.

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, 942679 + ... + 949561.

It is an arithmetic number, because the mean of its divisors is an integer number (136303200).

Almost surely, 2^6512143960 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 6512143960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8723404800).

6512143960 is an abundant number, since it is smaller than the sum of its proper divisors (10934665640).

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

6512143960 is a wasteful number, since it uses less digits than its factorization.

6512143960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7041 (or 7037 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6512143960 is about 80697.8559814324. The cubic root of 6512143960 is about 1867.4170980751.

The spelling of 6512143960 in words is "six billion, five hundred twelve million, one hundred forty-three thousand, nine hundred sixty".