6168408318 has 48 divisors (see below), whose sum is σ = 14074014240. Its totient is φ = 1948681152.

The previous prime is 6168408317. The next prime is 6168408329. The reversal of 6168408318 is 8138048616.

It is a happy number.

It is a super-2 number, since 2×6168408318² = 76098522355143178248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6168408313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23221 + ... + 113472.

It is an arithmetic number, because the mean of its divisors is an integer number (293208630).

Almost surely, 2^6168408318 is an apocalyptic number.

6168408318 is an abundant number, since it is smaller than the sum of its proper divisors (7905605922).

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

6168408318 is a wasteful number, since it uses less digits than its factorization.

6168408318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136833 (or 136830 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 6168408318 is about 78539.2151603261. The cubic root of 6168408318 is about 1833.9649782603.

The spelling of 6168408318 in words is "six billion, one hundred sixty-eight million, four hundred eight thousand, three hundred eighteen".