7188664560 has 480 divisors, whose sum is σ = 28775015424. Its totient is φ = 1467648000.

The previous prime is 7188664543. The next prime is 7188664583. The reversal of 7188664560 is 654668817.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7890505 + ... + 7891415.

Almost surely, 2^7188664560 is an apocalyptic number.

7188664560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7188664560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14387507712).

7188664560 is an abundant number, since it is smaller than the sum of its proper divisors (21586350864).

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

7188664560 is a wasteful number, since it uses less digits than its factorization.

7188664560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 7188664560 is about 84785.9927110605. The cubic root of 7188664560 is about 1929.9648807448.

The spelling of 7188664560 in words is "seven billion, one hundred eighty-eight million, six hundred sixty-four thousand, five hundred sixty".