169240441 has 4 divisors (see below), whose sum is σ = 169948800. Its totient is φ = 168532084.

The previous prime is 169240397. The next prime is 169240451. The reversal of 169240441 is 144042961.

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: 144042961 = 37 ⋅3893053.

It is a cyclic number.

It is not a de Polignac number, because 169240441 - 2⁹ = 169239929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169240451) 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, 353821 + ... + 354298.

It is an arithmetic number, because the mean of its divisors is an integer number (42487200).

Almost surely, 2^169240441 is an apocalyptic number.

It is an amenable number.

169240441 is a deficient number, since it is larger than the sum of its proper divisors (708359).

169240441 is an equidigital number, since it uses as much as digits as its factorization.

169240441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708358.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 169240441 is about 13009.2444438561. The cubic root of 169240441 is about 553.1395551768.

The spelling of 169240441 in words is "one hundred sixty-nine million, two hundred forty thousand, four hundred forty-one".