16441983 has 6 divisors (see below), whose sum is σ = 23749544. Its totient is φ = 10961316.

The previous prime is 16441961. The next prime is 16441991. The reversal of 16441983 is 38914461.

16441983 is a `hidden beast` number, since 1 + 644 + 1 + 9 + 8 + 3 = 666.

It is not a de Polignac number, because 16441983 - 2²¹ = 14344831 is a prime.

It is a super-3 number, since 3×16441983³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16441903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 913435 + ... + 913452.

Almost surely, 2^16441983 is an apocalyptic number.

16441983 is a deficient number, since it is larger than the sum of its proper divisors (7307561).

16441983 is a wasteful number, since it uses less digits than its factorization.

16441983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826893 (or 1826890 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 16441983 is about 4054.8715146105. The cubic root of 16441983 is about 254.2834323414.

It can be divided in two parts, 16441 and 983, that added together give a square (17424 = 132²).

The spelling of 16441983 in words is "sixteen million, four hundred forty-one thousand, nine hundred eighty-three".