169516242 has 48 divisors (see below), whose sum is σ = 420526080. Its totient is φ = 48344256.

The previous prime is 169516241. The next prime is 169516331. The reversal of 169516242 is 242615961.

It is a junction number, because it is equal to n+sod(n) for n = 169516197 and 169516206.

It is not an unprimeable number, because it can be changed into a prime (169516241) 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 23 ways as a sum of consecutive naturals, for example, 101103 + ... + 102765.

It is an arithmetic number, because the mean of its divisors is an integer number (8760960).

Almost surely, 2^169516242 is an apocalyptic number.

169516242 is an abundant number, since it is smaller than the sum of its proper divisors (251009838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169516242 is a wasteful number, since it uses less digits than its factorization.

169516242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2484 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 169516242 is about 13019.8403216015. The cubic root of 169516242 is about 553.4398648936.

It can be divided in two parts, 1695162 and 42, that added together give a square (1695204 = 1302²).

The spelling of 169516242 in words is "one hundred sixty-nine million, five hundred sixteen thousand, two hundred forty-two".