171061618443 has 8 divisors (see below), whose sum is σ = 229078150800. Its totient is φ = 113543082528.

The previous prime is 171061618417. The next prime is 171061618489. The reversal of 171061618443 is 344816160171.

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 171061618443 - 2¹⁷ = 171061487371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171061618395 and 171061618404.

It is not an unprimeable number, because it can be changed into a prime (171061618043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124498308 + ... + 124499681.

It is an arithmetic number, because the mean of its divisors is an integer number (28634768850).

Almost surely, 2^171061618443 is an apocalyptic number.

171061618443 is a deficient number, since it is larger than the sum of its proper divisors (58016532357).

171061618443 is a wasteful number, since it uses less digits than its factorization.

171061618443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248998221.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 171061618443 in words is "one hundred seventy-one billion, sixty-one million, six hundred eighteen thousand, four hundred forty-three".