161741834 has 16 divisors (see below), whose sum is σ = 251760960. Its totient is φ = 77874720.

The previous prime is 161741831. The next prime is 161741861. The reversal of 161741834 is 438147161.

It is a happy number.

161741834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161741794 and 161741803.

It is not an unprimeable number, because it can be changed into a prime (161741831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7139 + ... + 19350.

It is an arithmetic number, because the mean of its divisors is an integer number (15735060).

Almost surely, 2^161741834 is an apocalyptic number.

161741834 is a deficient number, since it is larger than the sum of its proper divisors (90019126).

161741834 is a wasteful number, since it uses less digits than its factorization.

161741834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26605.

The product of its digits is 16128, while the sum is 35.

The square root of 161741834 is about 12717.7762993379. The cubic root of 161741834 is about 544.8464444086.

Adding to 161741834 its reverse (438147161), we get a palindrome (599888995).

The spelling of 161741834 in words is "one hundred sixty-one million, seven hundred forty-one thousand, eight hundred thirty-four".