16128941 has 2 divisors, whose sum is σ = 16128942. Its totient is φ = 16128940.

The previous prime is 16128887. The next prime is 16128947. The reversal of 16128941 is 14982161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16080100 + 48841 = 4010^2 + 221^2 .

It is an emirp because it is prime and its reverse (14982161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16128941 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16128898 and 16128907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16128947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8064470 + 8064471.

It is an arithmetic number, because the mean of its divisors is an integer number (8064471).

Almost surely, 2^16128941 is an apocalyptic number.

It is an amenable number.

16128941 is a deficient number, since it is larger than the sum of its proper divisors (1).

16128941 is an equidigital number, since it uses as much as digits as its factorization.

16128941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 32.

The square root of 16128941 is about 4016.0852829590. The cubic root of 16128941 is about 252.6592975792.

The spelling of 16128941 in words is "sixteen million, one hundred twenty-eight thousand, nine hundred forty-one".