168096809687 has 4 divisors (see below), whose sum is σ = 168288483096. Its totient is φ = 167905136280.

The previous prime is 168096809681. The next prime is 168096809717. The reversal of 168096809687 is 786908690861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168096809687 - 2⁸ = 168096809431 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 (168096809681) 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, 95835389 + ... + 95837142.

It is an arithmetic number, because the mean of its divisors is an integer number (42072120774).

Almost surely, 2^168096809687 is an apocalyptic number.

168096809687 is a deficient number, since it is larger than the sum of its proper divisors (191673409).

168096809687 is an equidigital number, since it uses as much as digits as its factorization.

168096809687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191673408.

The product of its (nonzero) digits is 62705664, while the sum is 68.

The spelling of 168096809687 in words is "one hundred sixty-eight billion, ninety-six million, eight hundred nine thousand, six hundred eighty-seven".