6777146670961 has 2 divisors, whose sum is σ = 6777146670962. Its totient is φ = 6777146670960.

The previous prime is 6777146670911. The next prime is 6777146671033. The reversal of 6777146670961 is 1690766417776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4305708000400 + 2471438670561 = 2075020^2 + 1572081^2 .

It is a cyclic number.

It is not a de Polignac number, because 6777146670961 - 2¹¹ = 6777146668913 is a prime.

It is not a weakly prime, because it can be changed into another prime (6777146670911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388573335480 + 3388573335481.

It is an arithmetic number, because the mean of its divisors is an integer number (3388573335481).

Almost surely, 2^{6777146670961} is an apocalyptic number.

It is an amenable number.

6777146670961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6777146670961 is an equidigital number, since it uses as much as digits as its factorization.

6777146670961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112021056, while the sum is 67.

The spelling of 6777146670961 in words is "six trillion, seven hundred seventy-seven billion, one hundred forty-six million, six hundred seventy thousand, nine hundred sixty-one".