6810826660 has 96 divisors (see below), whose sum is σ = 15911562240. Its totient is φ = 2427926400.

The previous prime is 6810826567. The next prime is 6810826661. The reversal of 6810826660 is 666280186.

It is not an unprimeable number, because it can be changed into a prime (6810826661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8397655 + ... + 8398465.

It is an arithmetic number, because the mean of its divisors is an integer number (165745440).

Almost surely, 2^6810826660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6810826660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7955781120).

6810826660 is an abundant number, since it is smaller than the sum of its proper divisors (9100735580).

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

6810826660 is a wasteful number, since it uses less digits than its factorization.

6810826660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 6810826660 is about 82527.7326721145. The cubic root of 6810826660 is about 1895.5414070212.

The spelling of 6810826660 in words is "six billion, eight hundred ten million, eight hundred twenty-six thousand, six hundred sixty".