221453325416 has 16 divisors (see below), whose sum is σ = 415245055200. Its totient is φ = 110721310704.

The previous prime is 221453325413. The next prime is 221453325433. The reversal of 221453325416 is 614523354122.

221453325416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221453325416.

It is not an unprimeable number, because it can be changed into a prime (221453325413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490340 + ... + 826643.

It is an arithmetic number, because the mean of its divisors is an integer number (25952815950).

Almost surely, 2^221453325416 is an apocalyptic number.

It is an amenable number.

221453325416 is a deficient number, since it is larger than the sum of its proper divisors (193791729784).

221453325416 is a wasteful number, since it uses less digits than its factorization.

221453325416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338008 (or 1338004 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

Adding to 221453325416 its reverse (614523354122), we get a palindrome (835976679538).

The spelling of 221453325416 in words is "two hundred twenty-one billion, four hundred fifty-three million, three hundred twenty-five thousand, four hundred sixteen".