211063216 has 40 divisors (see below), whose sum is σ = 503308064. Its totient is φ = 83496960.

The previous prime is 211063183. The next prime is 211063217. The reversal of 211063216 is 612360112.

It is a super-2 number, since 2×211063216² = 89095362296525312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211063217) 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 7 ways as a sum of consecutive naturals, for example, 71025 + ... + 73936.

Almost surely, 2^211063216 is an apocalyptic number.

211063216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

211063216 is an abundant number, since it is smaller than the sum of its proper divisors (292244848).

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

211063216 is a wasteful number, since it uses less digits than its factorization.

211063216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144989 (or 144983 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 211063216 is about 14528.0148678338. The cubic root of 211063216 is about 595.3936297938.

Subtracting from 211063216 its product of nonzero digits (432), we obtain a square (211062784 = 14528²).

The spelling of 211063216 in words is "two hundred eleven million, sixty-three thousand, two hundred sixteen".