213144016 has 20 divisors (see below), whose sum is σ = 415505152. Its totient is φ = 105916896.

The previous prime is 213143999. The next prime is 213144047. The reversal of 213144016 is 610441312.

It is a congruent number.

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, 38256 + ... + 43471.

Almost surely, 2^213144016 is an apocalyptic number.

It is an amenable number.

213144016 is a deficient number, since it is larger than the sum of its proper divisors (202361136).

213144016 is a wasteful number, since it uses less digits than its factorization.

213144016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81898 (or 81892 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 213144016 is about 14599.4525924776. The cubic root of 213144016 is about 597.3438289814.

Adding to 213144016 its reverse (610441312), we get a palindrome (823585328).

The spelling of 213144016 in words is "two hundred thirteen million, one hundred forty-four thousand, sixteen".