168675565001 has 4 divisors (see below), whose sum is σ = 169418629392. Its totient is φ = 167932500612.

The previous prime is 168675564983. The next prime is 168675565027. The reversal of 168675565001 is 100565576861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100565576861 = 167 ⋅602189083.

It is a cyclic number.

It is not a de Polignac number, because 168675565001 - 2¹⁴ = 168675548617 is a prime.

It is a super-2 number, since 2×168675565001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168675565081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371531855 + ... + 371532308.

It is an arithmetic number, because the mean of its divisors is an integer number (42354657348).

Almost surely, 2^168675565001 is an apocalyptic number.

It is an amenable number.

168675565001 is a deficient number, since it is larger than the sum of its proper divisors (743064391).

168675565001 is an equidigital number, since it uses as much as digits as its factorization.

168675565001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743064390.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 168675565001 in words is "one hundred sixty-eight billion, six hundred seventy-five million, five hundred sixty-five thousand, one".