6321268368 has 60 divisors (see below), whose sum is σ = 17768116860. Its totient is φ = 2097877248.

The previous prime is 6321268361. The next prime is 6321268397. The reversal of 6321268368 is 8638621236.

It is a happy number.

6321268368 is a `hidden beast` number, since 6 + 3 + 21 + 268 + 368 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2481235344 + 3840033024 = 49812^2 + 61968^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6321268361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62871 + ... + 128822.

It is an arithmetic number, because the mean of its divisors is an integer number (296135281).

Almost surely, 2^6321268368 is an apocalyptic number.

It is an amenable number.

6321268368 is an abundant number, since it is smaller than the sum of its proper divisors (11446848492).

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

6321268368 is a wasteful number, since it uses less digits than its factorization.

6321268368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191936 (or 191927 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 6321268368 is about 79506.4045722104. The cubic root of 6321268368 is about 1848.9907685499.

The spelling of 6321268368 in words is "six billion, three hundred twenty-one million, two hundred sixty-eight thousand, three hundred sixty-eight".