16941919 has 2 divisors, whose sum is σ = 16941920. Its totient is φ = 16941918.

The previous prime is 16941917. The next prime is 16941929. The reversal of 16941919 is 91914961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16941919 - 2¹ = 16941917 is a prime.

It is a super-2 number, since 2×16941919² = 574057238805122, which contains 22 as substring.

Together with 16941917, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16941917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8470959 + 8470960.

It is an arithmetic number, because the mean of its divisors is an integer number (8470960).

Almost surely, 2^16941919 is an apocalyptic number.

16941919 is a deficient number, since it is larger than the sum of its proper divisors (1).

16941919 is an equidigital number, since it uses as much as digits as its factorization.

16941919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 40.

The square root of 16941919 is about 4116.0562435419. The cubic root of 16941919 is about 256.8349963062.

The spelling of 16941919 in words is "sixteen million, nine hundred forty-one thousand, nine hundred nineteen".