161844234 has 8 divisors (see below), whose sum is σ = 323688480. Its totient is φ = 53948076.

The previous prime is 161844229. The next prime is 161844251. The reversal of 161844234 is 432448161.

It is a sphenic number, since it is the product of 3 distinct primes.

161844234 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 161844195 and 161844204.

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 3 ways as a sum of consecutive naturals, for example, 13487014 + ... + 13487025.

It is an arithmetic number, because the mean of its divisors is an integer number (40461060).

Almost surely, 2^161844234 is an apocalyptic number.

161844234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161844234 is a wasteful number, since it uses less digits than its factorization.

161844234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26974044.

The product of its digits is 18432, while the sum is 33.

The square root of 161844234 is about 12721.8015233692. The cubic root of 161844234 is about 544.9614023110.

The spelling of 161844234 in words is "one hundred sixty-one million, eight hundred forty-four thousand, two hundred thirty-four".