6864118159 has 8 divisors (see below), whose sum is σ = 7115523408. Its totient is φ = 6616180800.

The previous prime is 6864118153. The next prime is 6864118171. The reversal of 6864118159 is 9518114686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6864118159 - 2⁷ = 6864118031 is a prime.

It is a super-2 number, since 2×6864118159² = 94232236201427098562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864118153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862942 + ... + 870859.

It is an arithmetic number, because the mean of its divisors is an integer number (889440426).

Almost surely, 2^6864118159 is an apocalyptic number.

6864118159 is a deficient number, since it is larger than the sum of its proper divisors (251405249).

6864118159 is a wasteful number, since it uses less digits than its factorization.

6864118159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733945.

The product of its digits is 414720, while the sum is 49.

The square root of 6864118159 is about 82849.9738020478. The cubic root of 6864118159 is about 1900.4724733589.

The spelling of 6864118159 in words is "six billion, eight hundred sixty-four million, one hundred eighteen thousand, one hundred fifty-nine".