6778164 has 24 divisors (see below), whose sum is σ = 15896608. Its totient is φ = 2247840.

The previous prime is 6778153. The next prime is 6778183. The reversal of 6778164 is 4618776.

6778164 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1194 + ... + 3870.

Almost surely, 2^6778164 is an apocalyptic number.

It is an amenable number.

6778164 is an abundant number, since it is smaller than the sum of its proper divisors (9118444).

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

6778164 is a wasteful number, since it uses less digits than its factorization.

6778164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895 (or 2893 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 6778164 is about 2603.4907336113. The cubic root of 6778164 is about 189.2506402863.

The spelling of 6778164 in words is "six million, seven hundred seventy-eight thousand, one hundred sixty-four".