16441863 has 16 divisors (see below), whose sum is σ = 22395360. Its totient is φ = 10727424.

The previous prime is 16441823. The next prime is 16441871. The reversal of 16441863 is 36814461.

It is not a de Polignac number, because 16441863 - 2¹³ = 16433671 is a prime.

It is a super-3 number, since 3×16441863³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16441813) 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 15 ways as a sum of consecutive naturals, for example, 42073 + ... + 42461.

It is an arithmetic number, because the mean of its divisors is an integer number (1399710).

Almost surely, 2^16441863 is an apocalyptic number.

16441863 is a deficient number, since it is larger than the sum of its proper divisors (5953497).

16441863 is a wasteful number, since it uses less digits than its factorization.

16441863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its digits is 13824, while the sum is 33.

The square root of 16441863 is about 4054.8567175672. The cubic root of 16441863 is about 254.2828137200.

The spelling of 16441863 in words is "sixteen million, four hundred forty-one thousand, eight hundred sixty-three".