161024 has 36 divisors (see below), whose sum is σ = 349524. Its totient is φ = 73728.
The previous prime is 161017. The next prime is 161033. The reversal of 161024 is 420161.
It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 25600 = 368^2 + 160^2 .
It is a nialpdrome in base 11.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161024.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4334 + ... + 4370.
It is an arithmetic number, because the mean of its divisors is an integer number (9709).
2161024 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 161024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174762).
161024 is an abundant number, since it is smaller than the sum of its proper divisors (188500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161024 is an equidigital number, since it uses as much as digits as its factorization.
161024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70 (or 56 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 161024 is about 401.2779585275. The cubic root of 161024 is about 54.4039212860.
Adding to 161024 its reverse (420161), we get a palindrome (581185).
It can be divided in two parts, 16 and 1024, that multiplied together give a 14-th power (16384 = 214).
The spelling of 161024 in words is "one hundred sixty-one thousand, twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •