168341187557 has 8 divisors (see below), whose sum is σ = 179336206560. Its totient is φ = 157559664240.

The previous prime is 168341187533. The next prime is 168341187569. The reversal of 168341187557 is 755781143861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168341187557 - 2⁶ = 168341187493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168341187757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53372294 + ... + 53375447.

It is an arithmetic number, because the mean of its divisors is an integer number (22417025820).

Almost surely, 2^168341187557 is an apocalyptic number.

It is an amenable number.

168341187557 is a deficient number, since it is larger than the sum of its proper divisors (10995019003).

168341187557 is a wasteful number, since it uses less digits than its factorization.

168341187557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106747843.

The product of its digits is 5644800, while the sum is 56.

The spelling of 168341187557 in words is "one hundred sixty-eight billion, three hundred forty-one million, one hundred eighty-seven thousand, five hundred fifty-seven".