6698345216 has 72 divisors (see below), whose sum is σ = 13668963840. Its totient is φ = 3274858496.

The previous prime is 6698345189. The next prime is 6698345231. The reversal of 6698345216 is 6125438966.

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 7 ways as a sum of consecutive naturals, for example, 5195900 + ... + 5197188.

It is an arithmetic number, because the mean of its divisors is an integer number (189846720).

Almost surely, 2^6698345216 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 6698345216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6834481920).

6698345216 is an abundant number, since it is smaller than the sum of its proper divisors (6970618624).

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

6698345216 is a wasteful number, since it uses less digits than its factorization.

6698345216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1727 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 6698345216 is about 81843.4188924192. The cubic root of 6698345216 is about 1885.0484140225.

The spelling of 6698345216 in words is "six billion, six hundred ninety-eight million, three hundred forty-five thousand, two hundred sixteen".