6678550 has 12 divisors (see below), whose sum is σ = 12422196. Its totient is φ = 2671400.

The previous prime is 6678523. The next prime is 6678577. The reversal of 6678550 is 558766.

It is an interprime number because it is at equal distance from previous prime (6678523) and next prime (6678577).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66736 + ... + 66835.

It is an arithmetic number, because the mean of its divisors is an integer number (1035183).

Almost surely, 2^6678550 is an apocalyptic number.

6678550 is a deficient number, since it is larger than the sum of its proper divisors (5743646).

6678550 is a wasteful number, since it uses less digits than its factorization.

6678550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133583 (or 133578 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 6678550 is about 2584.2890705182. The cubic root of 6678550 is about 188.3189658465.

The spelling of 6678550 in words is "six million, six hundred seventy-eight thousand, five hundred fifty".