161726126 has 8 divisors (see below), whose sum is σ = 242660064. Its totient is φ = 80839440.

The previous prime is 161726093. The next prime is 161726129. The reversal of 161726126 is 621627161.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161726092 and 161726101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161726129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430 + ... + 18041.

It is an arithmetic number, because the mean of its divisors is an integer number (30332508).

Almost surely, 2^161726126 is an apocalyptic number.

161726126 is a deficient number, since it is larger than the sum of its proper divisors (80933938).

161726126 is a wasteful number, since it uses less digits than its factorization.

161726126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23626.

The product of its digits is 6048, while the sum is 32.

The square root of 161726126 is about 12717.1587235514. The cubic root of 161726126 is about 544.8288057541.

The spelling of 161726126 in words is "one hundred sixty-one million, seven hundred twenty-six thousand, one hundred twenty-six".