6545680622 has 12 divisors (see below), whose sum is σ = 10631890080. Its totient is φ = 3021083208.

The previous prime is 6545680621. The next prime is 6545680639. The reversal of 6545680622 is 2260865456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545680621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9682622 + ... + 9683297.

It is an arithmetic number, because the mean of its divisors is an integer number (885990840).

Almost surely, 2^6545680622 is an apocalyptic number.

6545680622 is a deficient number, since it is larger than the sum of its proper divisors (4086209458).

6545680622 is a wasteful number, since it uses less digits than its factorization.

6545680622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19365947 (or 19365934 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 6545680622 is about 80905.3806739700. The cubic root of 6545680622 is about 1870.6172595063.

The spelling of 6545680622 in words is "six billion, five hundred forty-five million, six hundred eighty thousand, six hundred twenty-two".