6803320545 has 128 divisors (see below), whose sum is σ = 14193377280. Its totient is φ = 3027767040.

The previous prime is 6803320493. The next prime is 6803320549. The reversal of 6803320545 is 5450233086.

It is a happy number.

6803320545 is a `hidden beast` number, since 6 + 80 + 3 + 32 + 0 + 545 = 666.

6803320545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6803320545 - 2⁷ = 6803320417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6803320549) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6167464 + ... + 6168566.

It is an arithmetic number, because the mean of its divisors is an integer number (110885760).

Almost surely, 2^6803320545 is an apocalyptic number.

It is an amenable number.

6803320545 is an abundant number, since it is smaller than the sum of its proper divisors (7390056735).

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

6803320545 is a wasteful number, since it uses less digits than its factorization.

6803320545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 6803320545 is about 82482.2438164724. The cubic root of 6803320545 is about 1894.8448013284.

The spelling of 6803320545 in words is "six billion, eight hundred three million, three hundred twenty thousand, five hundred forty-five".