171143338522 has 16 divisors (see below), whose sum is σ = 279793190880. Its totient is φ = 78037554672.

The previous prime is 171143338517. The next prime is 171143338549. The reversal of 171143338522 is 225833341171.

It is a happy 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, 39651072 + ... + 39655387.

It is an arithmetic number, because the mean of its divisors is an integer number (17487074430).

Almost surely, 2^171143338522 is an apocalyptic number.

171143338522 is a deficient number, since it is larger than the sum of its proper divisors (108649852358).

171143338522 is a wasteful number, since it uses less digits than its factorization.

171143338522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79306557.

The product of its digits is 120960, while the sum is 40.

Adding to 171143338522 its reverse (225833341171), we get a palindrome (396976679693).

The spelling of 171143338522 in words is "one hundred seventy-one billion, one hundred forty-three million, three hundred thirty-eight thousand, five hundred twenty-two".