168163469 has 4 divisors (see below), whose sum is σ = 168235296. Its totient is φ = 168091644.

The previous prime is 168163459. The next prime is 168163481. The reversal of 168163469 is 964361861.

It is a happy number.

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: 964361861 = 41 ⋅23521021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168163469 is a prime.

It is a super-2 number, since 2×168163469² = 56557904612227922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168163459) 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 3 ways as a sum of consecutive naturals, for example, 32279 + ... + 37124.

It is an arithmetic number, because the mean of its divisors is an integer number (42058824).

Almost surely, 2^168163469 is an apocalyptic number.

It is an amenable number.

168163469 is a deficient number, since it is larger than the sum of its proper divisors (71827).

168163469 is an equidigital number, since it uses as much as digits as its factorization.

168163469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71826.

The product of its digits is 186624, while the sum is 44.

The square root of 168163469 is about 12967.7858171702. The cubic root of 168163469 is about 551.9637449496.

The spelling of 168163469 in words is "one hundred sixty-eight million, one hundred sixty-three thousand, four hundred sixty-nine".