221431416334617 has 8 divisors (see below), whose sum is σ = 310780935206560. Its totient is φ = 139851420842880.

The previous prime is 221431416334613. The next prime is 221431416334631. The reversal of 221431416334617 is 716433614134122.

It is a happy number.

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

It is not a de Polignac number, because 221431416334617 - 2² = 221431416334613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221431416334613) 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, 1942380844984 + ... + 1942380845097.

It is an arithmetic number, because the mean of its divisors is an integer number (38847616900820).

Almost surely, 2^{221431416334617} is an apocalyptic number.

It is an amenable number.

221431416334617 is a deficient number, since it is larger than the sum of its proper divisors (89349518871943).

221431416334617 is a wasteful number, since it uses less digits than its factorization.

221431416334617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884761690103.

The product of its digits is 1741824, while the sum is 48.

The spelling of 221431416334617 in words is "two hundred twenty-one trillion, four hundred thirty-one billion, four hundred sixteen million, three hundred thirty-four thousand, six hundred seventeen".