171333129364 has 6 divisors (see below), whose sum is σ = 299832976394. Its totient is φ = 85666564680.

The previous prime is 171333129353. The next prime is 171333129367. The reversal of 171333129364 is 463921333171.

It can be written as a sum of positive squares in only one way, i.e., 118735376400 + 52597752964 = 344580^2 + 229342^2 .

It is a super-2 number, since 2×171333129364² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 171333129364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171333129367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21416641167 + ... + 21416641174.

Almost surely, 2^171333129364 is an apocalyptic number.

It is an amenable number.

171333129364 is a deficient number, since it is larger than the sum of its proper divisors (128499847030).

171333129364 is a wasteful number, since it uses less digits than its factorization.

171333129364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42833282345 (or 42833282343 counting only the distinct ones).

The product of its digits is 244944, while the sum is 43.

The spelling of 171333129364 in words is "one hundred seventy-one billion, three hundred thirty-three million, one hundred twenty-nine thousand, three hundred sixty-four".