16738849 has 2 divisors, whose sum is σ = 16738850. Its totient is φ = 16738848.

The previous prime is 16738847. The next prime is 16738861. The reversal of 16738849 is 94883761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 6594624 = 3185^2 + 2568^2 .

It is a cyclic number.

It is not a de Polignac number, because 16738849 - 2¹ = 16738847 is a prime.

Together with 16738847, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16738799 and 16738808.

It is not a weakly prime, because it can be changed into another prime (16738847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8369424 + 8369425.

It is an arithmetic number, because the mean of its divisors is an integer number (8369425).

Almost surely, 2^16738849 is an apocalyptic number.

It is an amenable number.

16738849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16738849 is an equidigital number, since it uses as much as digits as its factorization.

16738849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 16738849 is about 4091.3138476533. The cubic root of 16738849 is about 255.8047064018.

The spelling of 16738849 in words is "sixteen million, seven hundred thirty-eight thousand, eight hundred forty-nine".