212163441 has 16 divisors (see below), whose sum is σ = 324472704. Its totient is φ = 120795264.

The previous prime is 212163421. The next prime is 212163467. The reversal of 212163441 is 144361212.

It is not a de Polignac number, because 212163441 - 2⁵ = 212163409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212163401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12420 + ... + 24053.

It is an arithmetic number, because the mean of its divisors is an integer number (20279544).

Almost surely, 2^212163441 is an apocalyptic number.

212163441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212163441 is a deficient number, since it is larger than the sum of its proper divisors (112309263).

212163441 is a wasteful number, since it uses less digits than its factorization.

212163441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36760.

The product of its digits is 1152, while the sum is 24.

The square root of 212163441 is about 14565.8312842076. The cubic root of 212163441 is about 596.4263883117.

The spelling of 212163441 in words is "two hundred twelve million, one hundred sixty-three thousand, four hundred forty-one".