6549065528648 has 32 divisors (see below), whose sum is σ = 13032851983200. Its totient is φ = 3074557761792.

The previous prime is 6549065528639. The next prime is 6549065528651. The reversal of 6549065528648 is 8468255609456.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57407090 + ... + 57521057.

It is an arithmetic number, because the mean of its divisors is an integer number (407276624475).

Almost surely, 2^{6549065528648} is an apocalyptic number.

6549065528648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6549065528648 is a deficient number, since it is larger than the sum of its proper divisors (6483786454552).

6549065528648 is a wasteful number, since it uses less digits than its factorization.

6549065528648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114928589 (or 114928585 counting only the distinct ones).

The product of its (nonzero) digits is 497664000, while the sum is 68.

The spelling of 6549065528648 in words is "six trillion, five hundred forty-nine billion, sixty-five million, five hundred twenty-eight thousand, six hundred forty-eight".