221416616395 has 8 divisors (see below), whose sum is σ = 286138396656. Its totient is φ = 163507655136.

The previous prime is 221416616383. The next prime is 221416616401. The reversal of 221416616395 is 593616614122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221416616395 - 2³³ = 212826681803 is a prime.

It is a Duffinian number.

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, 1703204677 + ... + 1703204806.

It is an arithmetic number, because the mean of its divisors is an integer number (35767299582).

Almost surely, 2^221416616395 is an apocalyptic number.

221416616395 is a deficient number, since it is larger than the sum of its proper divisors (64721780261).

221416616395 is a wasteful number, since it uses less digits than its factorization.

221416616395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406409501.

The product of its digits is 466560, while the sum is 46.

The spelling of 221416616395 in words is "two hundred twenty-one billion, four hundred sixteen million, six hundred sixteen thousand, three hundred ninety-five".