6513256116 has 96 divisors (see below), whose sum is σ = 17476300800. Its totient is φ = 2095584480.

The previous prime is 6513256103. The next prime is 6513256133. The reversal of 6513256116 is 6116523156.

6513256116 is a `hidden beast` number, since 6 + 5 + 1 + 32 + 5 + 611 + 6 = 666.

It is a super-2 number, since 2×6513256116² = 84845010465222810912, which contains 22 as substring.

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

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, 1400491 + ... + 1405133.

It is an arithmetic number, because the mean of its divisors is an integer number (182044800).

Almost surely, 2^6513256116 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 6513256116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8738150400).

6513256116 is an abundant number, since it is smaller than the sum of its proper divisors (10963044684).

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

6513256116 is a wasteful number, since it uses less digits than its factorization.

6513256116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106 (or 5098 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 6513256116 is about 80704.7465518603. The cubic root of 6513256116 is about 1867.5233990068.

The spelling of 6513256116 in words is "six billion, five hundred thirteen million, two hundred fifty-six thousand, one hundred sixteen".