171526668113 has 16 divisors (see below), whose sum is σ = 175385126400. Its totient is φ = 167712068160.

The previous prime is 171526668091. The next prime is 171526668121. The reversal of 171526668113 is 311866625171.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 171526668113 - 2⁸ = 171526667857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171526668413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20860343 + ... + 20868563.

It is an arithmetic number, because the mean of its divisors is an integer number (10961570400).

Almost surely, 2^171526668113 is an apocalyptic number.

It is an amenable number.

171526668113 is a deficient number, since it is larger than the sum of its proper divisors (3858458287).

171526668113 is a wasteful number, since it uses less digits than its factorization.

171526668113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832.

The product of its digits is 362880, while the sum is 47.

The spelling of 171526668113 in words is "one hundred seventy-one billion, five hundred twenty-six million, six hundred sixty-eight thousand, one hundred thirteen".