6678115416 has 256 divisors, whose sum is σ = 21631334400. Its totient is φ = 1869723648.

The previous prime is 6678115403. The next prime is 6678115427. The reversal of 6678115416 is 6145118766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21335676 + ... + 21335988.

It is an arithmetic number, because the mean of its divisors is an integer number (84497400).

Almost surely, 2^6678115416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6678115416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10815667200).

6678115416 is an abundant number, since it is smaller than the sum of its proper divisors (14953218984).

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

6678115416 is a wasteful number, since it uses less digits than its factorization.

6678115416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 565 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 6678115416 is about 81719.7370039821. The cubic root of 6678115416 is about 1883.1488101845.

The spelling of 6678115416 in words is "six billion, six hundred seventy-eight million, one hundred fifteen thousand, four hundred sixteen".