168500352001 has 16 divisors (see below), whose sum is σ = 179693078400. Its totient is φ = 157551464448.

The previous prime is 168500351947. The next prime is 168500352121. The reversal of 168500352001 is 100253005861.

It is a cyclic number.

It is not a de Polignac number, because 168500352001 - 2¹⁵ = 168500319233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168500352901) 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, 373956 + ... + 690538.

It is an arithmetic number, because the mean of its divisors is an integer number (11230817400).

Almost surely, 2^168500352001 is an apocalyptic number.

It is an amenable number.

168500352001 is a deficient number, since it is larger than the sum of its proper divisors (11192726399).

168500352001 is a wasteful number, since it uses less digits than its factorization.

168500352001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316968.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 168500352001 its reverse (100253005861), we get a palindrome (268753357862).

The spelling of 168500352001 in words is "one hundred sixty-eight billion, five hundred million, three hundred fifty-two thousand, one".