6545916912 has 80 divisors (see below), whose sum is σ = 17982375840. Its totient is φ = 2044747776.

The previous prime is 6545916911. The next prime is 6545916919. The reversal of 6545916912 is 2196195456.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545916911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172914 + ... + 207342.

It is an arithmetic number, because the mean of its divisors is an integer number (224779698).

Almost surely, 2^6545916912 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 6545916912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8991187920).

6545916912 is an abundant number, since it is smaller than the sum of its proper divisors (11436458928).

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

6545916912 is a wasteful number, since it uses less digits than its factorization.

6545916912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34690 (or 34684 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 6545916912 is about 80906.8409468569. The cubic root of 6545916912 is about 1870.6397681324.

The spelling of 6545916912 in words is "six billion, five hundred forty-five million, nine hundred sixteen thousand, nine hundred twelve".