163243212 has 48 divisors (see below), whose sum is σ = 437404800. Its totient is φ = 46863360.

The previous prime is 163243207. The next prime is 163243217. The reversal of 163243212 is 212342361.

It is an interprime number because it is at equal distance from previous prime (163243207) and next prime (163243217).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (163243217) 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, 30037 + ... + 35052.

It is an arithmetic number, because the mean of its divisors is an integer number (9112600).

Almost surely, 2^163243212 is an apocalyptic number.

163243212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163243212 is an abundant number, since it is smaller than the sum of its proper divisors (274161588).

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

163243212 is a wasteful number, since it uses less digits than its factorization.

163243212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65126 (or 65124 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 163243212 is about 12776.6667014523. Note that the first 3 decimals coincide. The cubic root of 163243212 is about 546.5271110816.

Adding to 163243212 its reverse (212342361), we get a palindrome (375585573).

It can be divided in two parts, 1632 and 43212, that added together give a palindrome (44844).

The spelling of 163243212 in words is "one hundred sixty-three million, two hundred forty-three thousand, two hundred twelve".