171151321660052 has 12 divisors (see below), whose sum is σ = 303733331397216. Its totient is φ = 84370369832280.

The previous prime is 171151321660037. The next prime is 171151321660069. The reversal of 171151321660052 is 250066123151171.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 171151321659991 and 171151321660009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301322749118 + ... + 301322749685.

It is an arithmetic number, because the mean of its divisors is an integer number (25311110949768).

Almost surely, 2^{171151321660052} is an apocalyptic number.

It is an amenable number.

171151321660052 is a deficient number, since it is larger than the sum of its proper divisors (132582009737164).

171151321660052 is a wasteful number, since it uses less digits than its factorization.

171151321660052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602645498878 (or 602645498876 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 171151321660052 in words is "one hundred seventy-one trillion, one hundred fifty-one billion, three hundred twenty-one million, six hundred sixty thousand, fifty-two".