6810811064 has 32 divisors (see below), whose sum is σ = 12825357600. Its totient is φ = 3390750720.

The previous prime is 6810811027. The next prime is 6810811081. The reversal of 6810811064 is 4601180186.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024744 + ... + 2028104.

It is an arithmetic number, because the mean of its divisors is an integer number (400792425).

Almost surely, 2^6810811064 is an apocalyptic number.

It is an amenable number.

6810811064 is a deficient number, since it is larger than the sum of its proper divisors (6014546536).

6810811064 is a wasteful number, since it uses less digits than its factorization.

6810811064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383 (or 4379 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 6810811064 is about 82527.6381826113. The cubic root of 6810811064 is about 1895.5399601638.

The spelling of 6810811064 in words is "six billion, eight hundred ten million, eight hundred eleven thousand, sixty-four".