169470144 has 168 divisors, whose sum is σ = 534210768. Its totient is φ = 53084160.

The previous prime is 169470137. The next prime is 169470167. The reversal of 169470144 is 441074961.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 169470099 and 169470108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264064 + ... + 264704.

It is an arithmetic number, because the mean of its divisors is an integer number (3179826).

Almost surely, 2^169470144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169470144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267105384).

169470144 is an abundant number, since it is smaller than the sum of its proper divisors (364740624).

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

169470144 is an equidigital number, since it uses as much as digits as its factorization.

169470144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 169470144 is about 13018.0699030233. The cubic root of 169470144 is about 553.3896931351.

The spelling of 169470144 in words is "one hundred sixty-nine million, four hundred seventy thousand, one hundred forty-four".