6513260803860 has 192 divisors, whose sum is σ = 19010695624704. Its totient is φ = 1664645875200.

The previous prime is 6513260803849. The next prime is 6513260803883. The reversal of 6513260803860 is 683080623156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183294295 + ... + 183329825.

It is an arithmetic number, because the mean of its divisors is an integer number (99014039712).

Almost surely, 2^{6513260803860} is an apocalyptic number.

6513260803860 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 6513260803860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9505347812352).

6513260803860 is an abundant number, since it is smaller than the sum of its proper divisors (12497434820844).

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

6513260803860 is a wasteful number, since it uses less digits than its factorization.

6513260803860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36814 (or 36812 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 6513260803860 in words is "six trillion, five hundred thirteen billion, two hundred sixty million, eight hundred three thousand, eight hundred sixty".