16478941 has 2 divisors, whose sum is σ = 16478942. Its totient is φ = 16478940.

The previous prime is 16478939. The next prime is 16478951. The reversal of 16478941 is 14987461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14853316 + 1625625 = 3854^2 + 1275^2 .

It is a cyclic number.

It is not a de Polignac number, because 16478941 - 2¹ = 16478939 is a prime.

Together with 16478939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16478894 and 16478903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16478911) 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 as a sum of consecutive naturals, namely, 8239470 + 8239471.

It is an arithmetic number, because the mean of its divisors is an integer number (8239471).

Almost surely, 2^16478941 is an apocalyptic number.

It is an amenable number.

16478941 is a deficient number, since it is larger than the sum of its proper divisors (1).

16478941 is an equidigital number, since it uses as much as digits as its factorization.

16478941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 16478941 is about 4059.4261909782. The cubic root of 16478941 is about 254.4738143746.

The spelling of 16478941 in words is "sixteen million, four hundred seventy-eight thousand, nine hundred forty-one".