6816324463768 has 32 divisors (see below), whose sum is σ = 13136476953600. Its totient is φ = 3313974793248.

The previous prime is 6816324463763. The next prime is 6816324463783. The reversal of 6816324463768 is 8673644236186.

It is a happy number.

It is a super-2 number, since 2×6816324463768² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816324463763) 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, 44351308 + ... + 44504731.

It is an arithmetic number, because the mean of its divisors is an integer number (410514904800).

Almost surely, 2^{6816324463768} is an apocalyptic number.

It is an amenable number.

6816324463768 is a deficient number, since it is larger than the sum of its proper divisors (6320152489832).

6816324463768 is a wasteful number, since it uses less digits than its factorization.

6816324463768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88856311 (or 88856307 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 64.

The spelling of 6816324463768 in words is "six trillion, eight hundred sixteen billion, three hundred twenty-four million, four hundred sixty-three thousand, seven hundred sixty-eight".