168106869 has 12 divisors (see below), whose sum is σ = 277509856. Its totient is φ = 96061032.

The previous prime is 168106867. The next prime is 168106879. The reversal of 168106869 is 968601861.

It is a happy number.

It is not a de Polignac number, because 168106869 - 2¹ = 168106867 is a prime.

It is a super-2 number, since 2×168106869² = 56519838809966322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168106867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334119 + ... + 1334244.

Almost surely, 2^168106869 is an apocalyptic number.

It is an amenable number.

168106869 is a deficient number, since it is larger than the sum of its proper divisors (109402987).

168106869 is a wasteful number, since it uses less digits than its factorization.

168106869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668376 (or 2668373 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 168106869 is about 12965.6033025849. The cubic root of 168106869 is about 551.9018118519.

The spelling of 168106869 in words is "one hundred sixty-eight million, one hundred six thousand, eight hundred sixty-nine".