6413543168 has 18 divisors (see below), whose sum is σ = 12802033944. Its totient is φ = 3206771456.

The previous prime is 6413543153. The next prime is 6413543173. The reversal of 6413543168 is 8613453146.

It is a super-2 number, since 2×6413543168² = 82267071935598952448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526196 + ... + 12526707.

It is an arithmetic number, because the mean of its divisors is an integer number (711224108).

Almost surely, 2^6413543168 is an apocalyptic number.

It is an amenable number.

6413543168 is a deficient number, since it is larger than the sum of its proper divisors (6388490776).

6413543168 is an equidigital number, since it uses as much as digits as its factorization.

6413543168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25052919 (or 25052905 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 6413543168 is about 80084.6000676784. The cubic root of 6413543168 is about 1857.9442319527.

The spelling of 6413543168 in words is "six billion, four hundred thirteen million, five hundred forty-three thousand, one hundred sixty-eight".