6616560143 has 8 divisors (see below), whose sum is σ = 6736928640. Its totient is φ = 6496827480.

The previous prime is 6616560127. The next prime is 6616560179. The reversal of 6616560143 is 3410656166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6616560143 - 2⁴ = 6616560127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6616560097 and 6616560106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616560343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137933 + ... + 179606.

It is an arithmetic number, because the mean of its divisors is an integer number (842116080).

Almost surely, 2^6616560143 is an apocalyptic number.

6616560143 is a deficient number, since it is larger than the sum of its proper divisors (120368497).

6616560143 is a wasteful number, since it uses less digits than its factorization.

6616560143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317917.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 6616560143 is about 81342.2408284896. The cubic root of 6616560143 is about 1877.3449906570.

The spelling of 6616560143 in words is "six billion, six hundred sixteen million, five hundred sixty thousand, one hundred forty-three".