161041726 has 4 divisors (see below), whose sum is σ = 241562592. Its totient is φ = 80520862.

The previous prime is 161041711. The next prime is 161041753. The reversal of 161041726 is 627140161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 627140161 = 107 ⋅5861123.

It is a junction number, because it is equal to n+sod(n) for n = 161041694 and 161041703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40260430 + ... + 40260433.

It is an arithmetic number, because the mean of its divisors is an integer number (60390648).

Almost surely, 2^161041726 is an apocalyptic number.

161041726 is a deficient number, since it is larger than the sum of its proper divisors (80520866).

161041726 is an equidigital number, since it uses as much as digits as its factorization.

161041726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80520865.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 161041726 is about 12690.2216686707. The cubic root of 161041726 is about 544.0591752778.

Adding to 161041726 its reverse (627140161), we get a palindrome (788181887).

The spelling of 161041726 in words is "one hundred sixty-one million, forty-one thousand, seven hundred twenty-six".