6780548516 has 48 divisors (see below), whose sum is σ = 13998733056. Its totient is φ = 2812973184.

The previous prime is 6780548497. The next prime is 6780548519. The reversal of 6780548516 is 6158450876.

It is not an unprimeable number, because it can be changed into a prime (6780548519) 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, 187481 + ... + 220703.

It is an arithmetic number, because the mean of its divisors is an integer number (291640272).

Almost surely, 2^6780548516 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 6780548516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6999366528).

6780548516 is an abundant number, since it is smaller than the sum of its proper divisors (7218184540).

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

6780548516 is a wasteful number, since it uses less digits than its factorization.

6780548516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33468 (or 33466 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 6780548516 is about 82344.0861021604. The cubic root of 6780548516 is about 1892.7283008440.

The spelling of 6780548516 in words is "six billion, seven hundred eighty million, five hundred forty-eight thousand, five hundred sixteen".