6147347616 has 144 divisors (see below), whose sum is σ = 18668482560. Its totient is φ = 1914554880.

The previous prime is 6147347603. The next prime is 6147347617. The reversal of 6147347616 is 6167437416.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (6147347617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247041 + ... + 270783.

It is an arithmetic number, because the mean of its divisors is an integer number (129642240).

Almost surely, 2^6147347616 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 6147347616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9334241280).

6147347616 is an abundant number, since it is smaller than the sum of its proper divisors (12521134944).

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

6147347616 is a wasteful number, since it uses less digits than its factorization.

6147347616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23819 (or 23808 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 6147347616 is about 78405.0229003219. The cubic root of 6147347616 is about 1831.8753721084.

The spelling of 6147347616 in words is "six billion, one hundred forty-seven million, three hundred forty-seven thousand, six hundred sixteen".