6988291216 has 15 divisors (see below), whose sum is σ = 13540462131. Its totient is φ = 3493978416.

The previous prime is 6988291199. The next prime is 6988291229. The reversal of 6988291216 is 6121928896.

The square root of 6988291216 is 83596.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 323935 + ... + 344833.

Almost surely, 2^6988291216 is an apocalyptic number.

6988291216 is the 83596-th square number.

It is an amenable number.

6988291216 is a deficient number, since it is larger than the sum of its proper divisors (6552170915).

6988291216 is an frugal number, since it uses more digits than its factorization.

6988291216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41806 (or 20901 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The cubic root of 6988291216 is about 1911.8640114413.

The spelling of 6988291216 in words is "six billion, nine hundred eighty-eight million, two hundred ninety-one thousand, two hundred sixteen".