221413233351617 has 8 divisors (see below), whose sum is σ = 224730837110976. Its totient is φ = 218096009846352.

The previous prime is 221413233351577. The next prime is 221413233351637. The reversal of 221413233351617 is 716153332314122.

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 221413233351617 - 2³⁴ = 221396053482433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221413233351637) 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, 93890138 + ... + 96219459.

It is an arithmetic number, because the mean of its divisors is an integer number (28091354638872).

Almost surely, 2^{221413233351617} is an apocalyptic number.

It is an amenable number.

221413233351617 is a deficient number, since it is larger than the sum of its proper divisors (3317603759359).

221413233351617 is a wasteful number, since it uses less digits than its factorization.

221413233351617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190127047.

The product of its digits is 544320, while the sum is 44.

Adding to 221413233351617 its reverse (716153332314122), we get a palindrome (937566565665739).

The spelling of 221413233351617 in words is "two hundred twenty-one trillion, four hundred thirteen billion, two hundred thirty-three million, three hundred fifty-one thousand, six hundred seventeen".