5718681216 has 128 divisors (see below), whose sum is σ = 17460360000. Its totient is φ = 1840462848.

The previous prime is 5718681191. The next prime is 5718681223. The reversal of 5718681216 is 6121868175.

5718681216 is a `hidden beast` number, since 571 + 8 + 68 + 1 + 2 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71695 + ... + 128753.

Almost surely, 2^5718681216 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 5718681216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8730180000).

5718681216 is an abundant number, since it is smaller than the sum of its proper divisors (11741678784).

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

5718681216 is a wasteful number, since it uses less digits than its factorization.

5718681216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57111 (or 57093 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 5718681216 is about 75621.9625241239. The cubic root of 5718681216 is about 1788.2653540680.

The spelling of 5718681216 in words is "five billion, seven hundred eighteen million, six hundred eighty-one thousand, two hundred sixteen".