6545316500 has 24 divisors (see below), whose sum is σ = 14294972328. Its totient is φ = 2618126400.

The previous prime is 6545316493. The next prime is 6545316527. The reversal of 6545316500 is 56135456.

It can be written as a sum of positive squares in 4 ways, for example, as 104611984 + 6440704516 = 10228^2 + 80254^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6544817 + ... + 6545816.

It is an arithmetic number, because the mean of its divisors is an integer number (595623847).

Almost surely, 2^6545316500 is an apocalyptic number.

It is an amenable number.

6545316500 is an abundant number, since it is smaller than the sum of its proper divisors (7749655828).

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

6545316500 is a wasteful number, since it uses less digits than its factorization.

6545316500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13090652 (or 13090640 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 6545316500 is about 80903.1303473481. The cubic root of 6545316500 is about 1870.5825727376.

The spelling of 6545316500 in words is "six billion, five hundred forty-five million, three hundred sixteen thousand, five hundred".