171353217344 has 14 divisors (see below), whose sum is σ = 340029040794. Its totient is φ = 85676608640.

The previous prime is 171353217281. The next prime is 171353217379. The reversal of 171353217344 is 443712353171.

It can be written as a sum of positive squares in only one way, i.e., 129456040000 + 41897177344 = 359800^2 + 204688^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1338696947 + ... + 1338697074.

Almost surely, 2^171353217344 is an apocalyptic number.

It is an amenable number.

171353217344 is a deficient number, since it is larger than the sum of its proper divisors (168675823450).

171353217344 is an equidigital number, since it uses as much as digits as its factorization.

171353217344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677394033 (or 2677394023 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The spelling of 171353217344 in words is "one hundred seventy-one billion, three hundred fifty-three million, two hundred seventeen thousand, three hundred forty-four".