6512272344 has 160 divisors (see below), whose sum is σ = 19394218800. Its totient is φ = 2035756800.

The previous prime is 6512272321. The next prime is 6512272369. The reversal of 6512272344 is 4432722156.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6512272299 and 6512272308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1240894 + ... + 1246130.

Almost surely, 2^6512272344 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 6512272344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9697109400).

6512272344 is an abundant number, since it is smaller than the sum of its proper divisors (12881946456).

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

6512272344 is a wasteful number, since it uses less digits than its factorization.

6512272344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375 (or 5362 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 6512272344 is about 80698.6514385464. The cubic root of 6512272344 is about 1867.4293697582.

The spelling of 6512272344 in words is "six billion, five hundred twelve million, two hundred seventy-two thousand, three hundred forty-four".