168161607026 has 64 divisors (see below), whose sum is σ = 298610323200. Its totient is φ = 69520840704.

The previous prime is 168161607007. The next prime is 168161607041. The reversal of 168161607026 is 620706161861.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78985130 + ... + 78987258.

It is an arithmetic number, because the mean of its divisors is an integer number (4665786300).

Almost surely, 2^168161607026 is an apocalyptic number.

168161607026 is a deficient number, since it is larger than the sum of its proper divisors (130448716174).

168161607026 is a wasteful number, since it uses less digits than its factorization.

168161607026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 145152, while the sum is 44.

Adding to 168161607026 its reverse (620706161861), we get a palindrome (788867768887).

The spelling of 168161607026 in words is "one hundred sixty-eight billion, one hundred sixty-one million, six hundred seven thousand, twenty-six".