211616694896 has 40 divisors (see below), whose sum is σ = 434737033680. Its totient is φ = 99507792384.

The previous prime is 211616694889. The next prime is 211616694917. The reversal of 211616694896 is 698496616112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498891 + ... + 2582186.

It is an arithmetic number, because the mean of its divisors is an integer number (10868425842).

Almost surely, 2^211616694896 is an apocalyptic number.

It is an amenable number.

211616694896 is an abundant number, since it is smaller than the sum of its proper divisors (223120338784).

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

211616694896 is a wasteful number, since it uses less digits than its factorization.

211616694896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081241 (or 5081235 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The spelling of 211616694896 in words is "two hundred eleven billion, six hundred sixteen million, six hundred ninety-four thousand, eight hundred ninety-six".