6516969264 has 80 divisors (see below), whose sum is σ = 20145064800. Its totient is φ = 2005219584.

The previous prime is 6516969259. The next prime is 6516969307. The reversal of 6516969264 is 4629696156.

6516969264 is a `hidden beast` number, since 6 + 516 + 9 + 69 + 2 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6516969264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574599 + ... + 585830.

It is an arithmetic number, because the mean of its divisors is an integer number (251813310).

Almost surely, 2^6516969264 is an apocalyptic number.

It is an amenable number.

6516969264 is an abundant number, since it is smaller than the sum of its proper divisors (13628095536).

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

6516969264 is a wasteful number, since it uses less digits than its factorization.

6516969264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160459 (or 1160447 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 6516969264 is about 80727.7477946709. The cubic root of 6516969264 is about 1867.8782176169.

The spelling of 6516969264 in words is "six billion, five hundred sixteen million, nine hundred sixty-nine thousand, two hundred sixty-four".