6547216698 has 96 divisors (see below), whose sum is σ = 16427204352. Its totient is φ = 1862553600.

The previous prime is 6547216691. The next prime is 6547216717. The reversal of 6547216698 is 8966127456.

6547216698 is a `hidden beast` number, since 6 + 5 + 472 + 166 + 9 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (6547216691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1448490 + ... + 1453002.

It is an arithmetic number, because the mean of its divisors is an integer number (171116712).

Almost surely, 2^6547216698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6547216698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8213602176).

6547216698 is an abundant number, since it is smaller than the sum of its proper divisors (9879987654).

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

6547216698 is a wasteful number, since it uses less digits than its factorization.

6547216698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980 (or 4977 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 6547216698 is about 80914.8731569172. The cubic root of 6547216698 is about 1870.7635740866.

The spelling of 6547216698 in words is "six billion, five hundred forty-seven million, two hundred sixteen thousand, six hundred ninety-eight".