6513488766 has 48 divisors (see below), whose sum is σ = 14952987504. Its totient is φ = 2042042112.

The previous prime is 6513488759. The next prime is 6513488791. The reversal of 6513488766 is 6678843156.

6513488766 is a `hidden beast` number, since 6 + 513 + 48 + 87 + 6 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494421 + ... + 507423.

It is an arithmetic number, because the mean of its divisors is an integer number (311520573).

Almost surely, 2^6513488766 is an apocalyptic number.

6513488766 is an abundant number, since it is smaller than the sum of its proper divisors (8439498738).

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

6513488766 is a wasteful number, since it uses less digits than its factorization.

6513488766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14665 (or 14662 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 6513488766 is about 80706.1879040263. The cubic root of 6513488766 is about 1867.5456343854.

The spelling of 6513488766 in words is "six billion, five hundred thirteen million, four hundred eighty-eight thousand, seven hundred sixty-six".