6513966164 has 12 divisors (see below), whose sum is σ = 11402173524. Its totient is φ = 3256202304.

The previous prime is 6513966163. The next prime is 6513966169. The reversal of 6513966164 is 4616693156.

It can be written as a sum of positive squares in 2 ways, for example, as 5809488400 + 704477764 = 76220^2 + 26542^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6513966161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 176219 + ... + 209954.

It is an arithmetic number, because the mean of its divisors is an integer number (950181127).

Almost surely, 2^6513966164 is an apocalyptic number.

It is an amenable number.

6513966164 is a deficient number, since it is larger than the sum of its proper divisors (4888207360).

6513966164 is a wasteful number, since it uses less digits than its factorization.

6513966164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390394 (or 390392 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

The square root of 6513966164 is about 80709.1454793074. The cubic root of 6513966164 is about 1867.5912597433.

The spelling of 6513966164 in words is "six billion, five hundred thirteen million, nine hundred sixty-six thousand, one hundred sixty-four".