221640430327216 has 10 divisors (see below), whose sum is σ = 429428333759012. Its totient is φ = 110820215163600.

The previous prime is 221640430327201. The next prime is 221640430327237. The reversal of 221640430327216 is 612723034046122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6926263447710 + ... + 6926263447741.

Almost surely, 2^{221640430327216} is an apocalyptic number.

It is an amenable number.

221640430327216 is a deficient number, since it is larger than the sum of its proper divisors (207787903431796).

221640430327216 is a wasteful number, since it uses less digits than its factorization.

221640430327216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13852526895459 (or 13852526895453 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 221640430327216 in words is "two hundred twenty-one trillion, six hundred forty billion, four hundred thirty million, three hundred twenty-seven thousand, two hundred sixteen".