16415441 has 6 divisors (see below), whose sum is σ = 19095570. Its totient is φ = 14070336.

The previous prime is 16415423. The next prime is 16415447. The reversal of 16415441 is 14451461.

It can be written as a sum of positive squares in only one way, i.e., 10916416 + 5499025 = 3304^2 + 2345^2 .

It is not a de Polignac number, because 16415441 - 2¹⁰ = 16414417 is a prime.

It is a super-3 number, since 3×16415441³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16415441.

It is not an unprimeable number, because it can be changed into a prime (16415447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167456 + ... + 167553.

It is an arithmetic number, because the mean of its divisors is an integer number (3182595).

Almost surely, 2^16415441 is an apocalyptic number.

It is an amenable number.

16415441 is a deficient number, since it is larger than the sum of its proper divisors (2680129).

16415441 is an equidigital number, since it uses as much as digits as its factorization.

16415441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335023 (or 335016 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 16415441 is about 4051.5973393219. The cubic root of 16415441 is about 254.1465302450.

The spelling of 16415441 in words is "sixteen million, four hundred fifteen thousand, four hundred forty-one".