6678260766811 has 16 divisors (see below), whose sum is σ = 6924398699520. Its totient is φ = 6436521590400.

The previous prime is 6678260766803. The next prime is 6678260766817. The reversal of 6678260766811 is 1186670628766.

It is a cyclic number.

It is not a de Polignac number, because 6678260766811 - 2³ = 6678260766803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6678260766817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9383986 + ... + 10070536.

It is an arithmetic number, because the mean of its divisors is an integer number (432774918720).

Almost surely, 2^{6678260766811} is an apocalyptic number.

6678260766811 is a deficient number, since it is larger than the sum of its proper divisors (246137932709).

6678260766811 is a wasteful number, since it uses less digits than its factorization.

6678260766811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689754.

The product of its (nonzero) digits is 48771072, while the sum is 64.

The spelling of 6678260766811 in words is "six trillion, six hundred seventy-eight billion, two hundred sixty million, seven hundred sixty-six thousand, eight hundred eleven".