6835311668 has 12 divisors (see below), whose sum is σ = 11962743492. Its totient is φ = 3417384960.

The previous prime is 6835311643. The next prime is 6835311673. The reversal of 6835311668 is 8661135386.

It can be written as a sum of positive squares in 2 ways, for example, as 5261761444 + 1573550224 = 72538^2 + 39668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4355 + ... + 117002.

It is an arithmetic number, because the mean of its divisors is an integer number (996895291).

Almost surely, 2^6835311668 is an apocalyptic number.

It is an amenable number.

6835311668 is a deficient number, since it is larger than the sum of its proper divisors (5127431824).

6835311668 is a wasteful number, since it uses less digits than its factorization.

6835311668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135442 (or 135440 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 6835311668 is about 82675.9437079493. The cubic root of 6835311668 is about 1897.8101888685.

The spelling of 6835311668 in words is "six billion, eight hundred thirty-five million, three hundred eleven thousand, six hundred sixty-eight".