163242169 has 4 divisors (see below), whose sum is σ = 163383696. Its totient is φ = 163100644.

The previous prime is 163242133. The next prime is 163242181. The reversal of 163242169 is 961242361.

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.

It is a cyclic number.

It is not a de Polignac number, because 163242169 - 2⁹ = 163241657 is a prime.

It is a super-2 number, since 2×163242169² = 53296011479649122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163242119) 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, 69019 + ... + 71344.

It is an arithmetic number, because the mean of its divisors is an integer number (40845924).

Almost surely, 2^163242169 is an apocalyptic number.

It is an amenable number.

163242169 is a deficient number, since it is larger than the sum of its proper divisors (141527).

163242169 is a wasteful number, since it uses less digits than its factorization.

163242169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141526.

The product of its digits is 15552, while the sum is 34.

The square root of 163242169 is about 12776.6258847945. The cubic root of 163242169 is about 546.5259471149.

The spelling of 163242169 in words is "one hundred sixty-three million, two hundred forty-two thousand, one hundred sixty-nine".