161126455433224 has 32 divisors (see below), whose sum is σ = 307331080545240. Its totient is φ = 79173791539200.

The previous prime is 161126455433149. The next prime is 161126455433243. The reversal of 161126455433224 is 422334554621161.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 77312100852900 + 83814354580324 = 8792730^2 + 9155018^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142619107 + ... + 143744434.

Almost surely, 2^{161126455433224} is an apocalyptic number.

It is an amenable number.

161126455433224 is a deficient number, since it is larger than the sum of its proper divisors (146204625112016).

161126455433224 is a wasteful number, since it uses less digits than its factorization.

161126455433224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286364761 (or 286364757 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 49.

The spelling of 161126455433224 in words is "one hundred sixty-one trillion, one hundred twenty-six billion, four hundred fifty-five million, four hundred thirty-three thousand, two hundred twenty-four".