16213445224 has 32 divisors (see below), whose sum is σ = 32716153800. Its totient is φ = 7504773120.

The previous prime is 16213445189. The next prime is 16213445231. The reversal of 16213445224 is 42254431261.

It can be written as a sum of positive squares in 4 ways, for example, as 12421102500 + 3792342724 = 111450^2 + 61582^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 16213445224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968889 + ... + 985480.

Almost surely, 2^16213445224 is an apocalyptic number.

It is an amenable number.

16213445224 is an abundant number, since it is smaller than the sum of its proper divisors (16502708576).

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

16213445224 is a wasteful number, since it uses less digits than its factorization.

16213445224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954453 (or 1954449 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 16213445224 its reverse (42254431261), we get a palindrome (58467876485).

The spelling of 16213445224 in words is "sixteen billion, two hundred thirteen million, four hundred forty-five thousand, two hundred twenty-four".