446161216 has 28 divisors (see below), whose sum is σ = 887676660. Its totient is φ = 222494720.

The previous prime is 446161213. The next prime is 446161223. The reversal of 446161216 is 612161644.

It can be written as a sum of positive squares in 2 ways, for example, as 41990400 + 404170816 = 6480^2 + 20104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446161213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15936 + ... + 33856.

Almost surely, 2^446161216 is an apocalyptic number.

It is an amenable number.

446161216 is a deficient number, since it is larger than the sum of its proper divisors (441515444).

446161216 is a wasteful number, since it uses less digits than its factorization.

446161216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18322 (or 18312 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 446161216 is about 21122.5286365056. The cubic root of 446161216 is about 764.1241723193.

The spelling of 446161216 in words is "four hundred forty-six million, one hundred sixty-one thousand, two hundred sixteen".