161852 has 12 divisors (see below), whose sum is σ = 290136. Its totient is φ = 78960.

The previous prime is 161839. The next prime is 161869. The reversal of 161852 is 258161.

161852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

161852 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299 + ... + 642.

It is an arithmetic number, because the mean of its divisors is an integer number (24178).

2¹⁶¹⁸⁵² is an apocalyptic number.

It is an amenable number.

161852 is a deficient number, since it is larger than the sum of its proper divisors (128284).

161852 is a wasteful number, since it uses less digits than its factorization.

161852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 161852 is about 402.3083394612. The cubic root of 161852 is about 54.4970118722.

The spelling of 161852 in words is "one hundred sixty-one thousand, eight hundred fifty-two".