211955045168 has 40 divisors (see below), whose sum is σ = 420791411376. Its totient is φ = 103365094400.

The previous prime is 211955045153. The next prime is 211955045173. The reversal of 211955045168 is 861540559112.

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, 2532308 + ... + 2614668.

Almost surely, 2^211955045168 is an apocalyptic number.

It is an amenable number.

211955045168 is a deficient number, since it is larger than the sum of its proper divisors (208836366208).

211955045168 is a wasteful number, since it uses less digits than its factorization.

211955045168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86333 (or 86327 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 47.

The spelling of 211955045168 in words is "two hundred eleven billion, nine hundred fifty-five million, forty-five thousand, one hundred sixty-eight".