6616842240 has 272 divisors, whose sum is σ = 21743106048. Its totient is φ = 1717567488.

The previous prime is 6616842179. The next prime is 6616842269. The reversal of 6616842240 is 422486166.

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, 52101057 + ... + 52101183.

Almost surely, 2^6616842240 is an apocalyptic number.

6616842240 is a gapful number since it is divisible by the number (60) 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 6616842240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10871553024).

6616842240 is an abundant number, since it is smaller than the sum of its proper divisors (15126263808).

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

6616842240 is an equidigital number, since it uses as much as digits as its factorization.

6616842240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 6616842240 is about 81343.9748229701. The cubic root of 6616842240 is about 1877.3716704751.

The spelling of 6616842240 in words is "six billion, six hundred sixteen million, eight hundred forty-two thousand, two hundred forty".