6778456167 has 16 divisors (see below), whose sum is σ = 10335555072. Its totient is φ = 3870973920.

The previous prime is 6778456151. The next prime is 6778456171. The reversal of 6778456167 is 7616548776.

It is not a de Polignac number, because 6778456167 - 2⁴ = 6778456151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778456067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66684 + ... + 134177.

It is an arithmetic number, because the mean of its divisors is an integer number (645972192).

Almost surely, 2^6778456167 is an apocalyptic number.

6778456167 is a deficient number, since it is larger than the sum of its proper divisors (3557098905).

6778456167 is a wasteful number, since it uses less digits than its factorization.

6778456167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202478.

The product of its digits is 11854080, while the sum is 57.

The square root of 6778456167 is about 82331.3802082778. The cubic root of 6778456167 is about 1892.5335940992.

The spelling of 6778456167 in words is "six billion, seven hundred seventy-eight million, four hundred fifty-six thousand, one hundred sixty-seven".