169112041 has 4 divisors (see below), whose sum is σ = 193270912. Its totient is φ = 144953172.

The previous prime is 169112033. The next prime is 169112051. The reversal of 169112041 is 140211961.

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 not a de Polignac number, because 169112041 - 2³ = 169112033 is a prime.

It is a super-2 number, since 2×169112041² = 57197764822371362, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 169111997 and 169112015.

It is not an unprimeable number, because it can be changed into a prime (169112051) 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, 12079425 + ... + 12079438.

It is an arithmetic number, because the mean of its divisors is an integer number (48317728).

Almost surely, 2^169112041 is an apocalyptic number.

It is an amenable number.

169112041 is a deficient number, since it is larger than the sum of its proper divisors (24158871).

169112041 is an equidigital number, since it uses as much as digits as its factorization.

169112041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24158870.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 169112041 is about 13004.3085552443. The cubic root of 169112041 is about 552.9996337581. Note that the first 3 decimals are identical.

The spelling of 169112041 in words is "one hundred sixty-nine million, one hundred twelve thousand, forty-one".