5516668840 has 64 divisors (see below), whose sum is σ = 12852432000. Its totient is φ = 2128600320.

The previous prime is 5516668837. The next prime is 5516668849. The reversal of 5516668840 is 488666155.

It is not an unprimeable number, because it can be changed into a prime (5516668849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178375 + ... + 2180905.

It is an arithmetic number, because the mean of its divisors is an integer number (200819250).

Almost surely, 2^5516668840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5516668840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6426216000).

5516668840 is an abundant number, since it is smaller than the sum of its proper divisors (7335763160).

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

5516668840 is a wasteful number, since it uses less digits than its factorization.

5516668840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 5516668840 is about 74274.2811476489. The cubic root of 5516668840 is about 1766.9556059195.

The spelling of 5516668840 in words is "five billion, five hundred sixteen million, six hundred sixty-eight thousand, eight hundred forty".