16141649 has 2 divisors, whose sum is σ = 16141650. Its totient is φ = 16141648.

The previous prime is 16141597. The next prime is 16141651. The reversal of 16141649 is 94614161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14010049 + 2131600 = 3743^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 16141649 - 2¹⁶ = 16076113 is a prime.

Together with 16141651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16141679) 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 as a sum of consecutive naturals, namely, 8070824 + 8070825.

It is an arithmetic number, because the mean of its divisors is an integer number (8070825).

Almost surely, 2^16141649 is an apocalyptic number.

It is an amenable number.

16141649 is a deficient number, since it is larger than the sum of its proper divisors (1).

16141649 is an equidigital number, since it uses as much as digits as its factorization.

16141649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 16141649 is about 4017.6671091568. The cubic root of 16141649 is about 252.7256369514.

The spelling of 16141649 in words is "sixteen million, one hundred forty-one thousand, six hundred forty-nine".