16424161 has 8 divisors (see below), whose sum is σ = 17755304. Its totient is φ = 15102720.

The previous prime is 16424153. The next prime is 16424171. The reversal of 16424161 is 16142461.

It can be written as a sum of positive squares in 4 ways, for example, as 70225 + 16353936 = 265^2 + 4044^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16424161 - 2³ = 16424153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16424171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (2219413).

Almost surely, 2^16424161 is an apocalyptic number.

It is an amenable number.

16424161 is a deficient number, since it is larger than the sum of its proper divisors (1331143).

16424161 is a wasteful number, since it uses less digits than its factorization.

16424161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851.

The product of its digits is 1152, while the sum is 25.

The square root of 16424161 is about 4052.6733152328. The cubic root of 16424161 is about 254.1915237656.

The spelling of 16424161 in words is "sixteen million, four hundred twenty-four thousand, one hundred sixty-one".