6816738546 has 24 divisors (see below), whose sum is σ = 15316623504. Its totient is φ = 2272246020.

The previous prime is 6816738541. The next prime is 6816738601. The reversal of 6816738546 is 6458376186.

6816738546 is a `hidden beast` number, since 6 + 8 + 1 + 67 + 38 + 546 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6816738492 and 6816738501.

It is not an unprimeable number, because it can be changed into a prime (6816738541) 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, 7012620 + ... + 7013591.

It is an arithmetic number, because the mean of its divisors is an integer number (638192646).

Almost surely, 2^6816738546 is an apocalyptic number.

6816738546 is an abundant number, since it is smaller than the sum of its proper divisors (8499884958).

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

6816738546 is a wasteful number, since it uses less digits than its factorization.

6816738546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14026228 (or 14026216 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 6816738546 is about 82563.5424748720. The cubic root of 6816738546 is about 1896.0896999302.

The spelling of 6816738546 in words is "six billion, eight hundred sixteen million, seven hundred thirty-eight thousand, five hundred forty-six".