6544930560 has 144 divisors (see below), whose sum is σ = 23889094656. Its totient is φ = 1495977984.

The previous prime is 6544930549. The next prime is 6544930619. The reversal of 6544930560 is 650394456.

It is a super-2 number, since 2×6544930560² = 85672232070443827200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94864 + ... + 148623.

Almost surely, 2^6544930560 is an apocalyptic number.

6544930560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6544930560 is an abundant number, since it is smaller than the sum of its proper divisors (17344164096).

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

6544930560 is a wasteful number, since it uses less digits than its factorization.

6544930560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243518 (or 243504 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 6544930560 is about 80900.7451139976. The cubic root of 6544930560 is about 1870.5458061515.

The spelling of 6544930560 in words is "six billion, five hundred forty-four million, nine hundred thirty thousand, five hundred sixty".