6519163960 has 16 divisors (see below), whose sum is σ = 14668119000. Its totient is φ = 2607665568.

The previous prime is 6519163957. The next prime is 6519163969. The reversal of 6519163960 is 693619156.

It is a self number, because there is not a number n which added to its sum of digits gives 6519163960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6519163969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81489510 + ... + 81489589.

Almost surely, 2^6519163960 is an apocalyptic number.

It is an amenable number.

6519163960 is an abundant number, since it is smaller than the sum of its proper divisors (8148955040).

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

6519163960 is a wasteful number, since it uses less digits than its factorization.

6519163960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162979110 (or 162979106 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 6519163960 is about 80741.3398452119. The cubic root of 6519163960 is about 1868.0878735981.

The spelling of 6519163960 in words is "six billion, five hundred nineteen million, one hundred sixty-three thousand, nine hundred sixty".