6547917216 has 96 divisors (see below), whose sum is σ = 17909434368. Its totient is φ = 2092389120.

The previous prime is 6547917157. The next prime is 6547917223. The reversal of 6547917216 is 6127197456.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308151 + ... + 328713.

It is an arithmetic number, because the mean of its divisors is an integer number (186556608).

Almost surely, 2^6547917216 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 6547917216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8954717184).

6547917216 is an abundant number, since it is smaller than the sum of its proper divisors (11361517152).

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

6547917216 is a wasteful number, since it uses less digits than its factorization.

6547917216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20714 (or 20706 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 6547917216 is about 80919.2017755984. The cubic root of 6547917216 is about 1870.8302923519.

The spelling of 6547917216 in words is "six billion, five hundred forty-seven million, nine hundred seventeen thousand, two hundred sixteen".