6678205446 has 32 divisors (see below), whose sum is σ = 14714908416. Its totient is φ = 2003660000.

The previous prime is 6678205441. The next prime is 6678205447. The reversal of 6678205446 is 6445028766.

It is a junction number, because it is equal to n+sod(n) for n = 6678205395 and 6678205404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678205441) 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, 494250 + ... + 507581.

It is an arithmetic number, because the mean of its divisors is an integer number (459840888).

Almost surely, 2^6678205446 is an apocalyptic number.

6678205446 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6678205446 is an abundant number, since it is smaller than the sum of its proper divisors (8036702970).

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

6678205446 is a wasteful number, since it uses less digits than its factorization.

6678205446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001948.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 6678205446 is about 81720.2878482449. The cubic root of 6678205446 is about 1883.1572726081.

The spelling of 6678205446 in words is "six billion, six hundred seventy-eight million, two hundred five thousand, four hundred forty-six".