215224981696 has 28 divisors (see below), whose sum is σ = 427330927912. Its totient is φ = 107551047168.

The previous prime is 215224981661. The next prime is 215224981709. The reversal of 215224981696 is 696189422512.

215224981696 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846990 + ... + 1071373.

It is an arithmetic number, because the mean of its divisors is an integer number (15261818854).

Almost surely, 2^215224981696 is an apocalyptic number.

It is an amenable number.

215224981696 is a deficient number, since it is larger than the sum of its proper divisors (212105946216).

215224981696 is a wasteful number, since it uses less digits than its factorization.

215224981696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920128 (or 1920118 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The spelling of 215224981696 in words is "two hundred fifteen billion, two hundred twenty-four million, nine hundred eighty-one thousand, six hundred ninety-six".