6513198168 has 32 divisors (see below), whose sum is σ = 17240819760. Its totient is φ = 2043356160.

The previous prime is 6513198149. The next prime is 6513198169. The reversal of 6513198168 is 8618913156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6513198169) 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 7 ways as a sum of consecutive naturals, for example, 7981453 + ... + 7982268.

Almost surely, 2^6513198168 is an apocalyptic number.

6513198168 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6513198168 is an abundant number, since it is smaller than the sum of its proper divisors (10727621592).

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

6513198168 is a wasteful number, since it uses less digits than its factorization.

6513198168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963747 (or 15963743 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 6513198168 is about 80704.3875387206. The cubic root of 6513198168 is about 1867.5178605805.

The spelling of 6513198168 in words is "six billion, five hundred thirteen million, one hundred ninety-eight thousand, one hundred sixty-eight".