6994780416 has 216 divisors, whose sum is σ = 22228222016. Its totient is φ = 2101800960.

The previous prime is 6994780411. The next prime is 6994780423. The reversal of 6994780416 is 6140874996.

6994780416 is a `hidden beast` number, since 69 + 94 + 7 + 80 + 416 = 666.

It is not an unprimeable number, because it can be changed into a prime (6994780411) 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 23 ways as a sum of consecutive naturals, for example, 1285221 + ... + 1290651.

Almost surely, 2^6994780416 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 6994780416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11114111008).

6994780416 is an abundant number, since it is smaller than the sum of its proper divisors (15233441600).

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

6994780416 is a wasteful number, since it uses less digits than its factorization.

6994780416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509 (or 5492 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 6994780416 is about 83634.8038558111. The cubic root of 6994780416 is about 1912.4556024039.

The spelling of 6994780416 in words is "six billion, nine hundred ninety-four million, seven hundred eighty thousand, four hundred sixteen".