161224362 has 48 divisors (see below), whose sum is σ = 398328840. Its totient is φ = 46688256.

The previous prime is 161224351. The next prime is 161224391. The reversal of 161224362 is 263422161.

161224362 is a `hidden beast` number, since 1 + 612 + 2 + 43 + 6 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 157025961 + 4198401 = 12531^2 + 2049^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16287 + ... + 24242.

Almost surely, 2^161224362 is an apocalyptic number.

161224362 is an abundant number, since it is smaller than the sum of its proper divisors (237104478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161224362 is a wasteful number, since it uses less digits than its factorization.

161224362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40567 (or 40564 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 161224362 is about 12697.4155638067. The cubic root of 161224362 is about 544.2647684797.

The spelling of 161224362 in words is "one hundred sixty-one million, two hundred twenty-four thousand, three hundred sixty-two".