213444016 has 20 divisors (see below), whose sum is σ = 417566032. Its totient is φ = 105685056.

The previous prime is 213444001. The next prime is 213444029. The reversal of 213444016 is 610444312.

213444016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63111 + ... + 66406.

Almost surely, 2^213444016 is an apocalyptic number.

It is an amenable number.

213444016 is a deficient number, since it is larger than the sum of its proper divisors (204122016).

213444016 is a wasteful number, since it uses less digits than its factorization.

213444016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129628 (or 129622 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 213444016 is about 14609.7233375584. The cubic root of 213444016 is about 597.6239512224.

Adding to 213444016 its reverse (610444312), we get a palindrome (823888328).

The spelling of 213444016 in words is "two hundred thirteen million, four hundred forty-four thousand, sixteen".