161334226 has 8 divisors (see below), whose sum is σ = 246567564. Its totient is φ = 79145040.

The previous prime is 161334211. The next prime is 161334227. The reversal of 161334226 is 622433161.

It can be written as a sum of positive squares in 2 ways, for example, as 144120025 + 17214201 = 12005^2 + 4149^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 161334194 and 161334203.

It is not an unprimeable number, because it can be changed into a prime (161334227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760905 + ... + 761116.

Almost surely, 2^161334226 is an apocalyptic number.

161334226 is a deficient number, since it is larger than the sum of its proper divisors (85233338).

161334226 is a wasteful number, since it uses less digits than its factorization.

161334226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522076.

The product of its digits is 5184, while the sum is 28.

The square root of 161334226 is about 12701.7410617600. The cubic root of 161334226 is about 544.3883675164.

Adding to 161334226 its reverse (622433161), we get a palindrome (783767387).

The spelling of 161334226 in words is "one hundred sixty-one million, three hundred thirty-four thousand, two hundred twenty-six".