221443046016 has 64 divisors (see below), whose sum is σ = 608491159200. Its totient is φ = 71269022720.

The previous prime is 221443046003. The next prime is 221443046017. The reversal of 221443046016 is 610640344122.

It is a happy number.

221443046016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (221443046017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9931530 + ... + 9953801.

Almost surely, 2^221443046016 is an apocalyptic number.

It is an amenable number.

221443046016 is an abundant number, since it is smaller than the sum of its proper divisors (387048113184).

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

221443046016 is a wasteful number, since it uses less digits than its factorization.

221443046016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885377 (or 19885365 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 221443046016 in words is "two hundred twenty-one billion, four hundred forty-three million, forty-six thousand, sixteen".