211863152 has 20 divisors (see below), whose sum is σ = 411814416. Its totient is φ = 105588480.

The previous prime is 211863151. The next prime is 211863181. The reversal of 211863152 is 251368112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211863151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16313 + ... + 26264.

Almost surely, 2^211863152 is an apocalyptic number.

It is an amenable number.

211863152 is a deficient number, since it is larger than the sum of its proper divisors (199951264).

211863152 is a wasteful number, since it uses less digits than its factorization.

211863152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42896 (or 42890 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 211863152 is about 14555.5196403289. The cubic root of 211863152 is about 596.1448681671.

The spelling of 211863152 in words is "two hundred eleven million, eight hundred sixty-three thousand, one hundred fifty-two".