16738913 has 2 divisors, whose sum is σ = 16738914. Its totient is φ = 16738912.

The previous prime is 16738903. The next prime is 16738919. The reversal of 16738913 is 31983761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16703569 + 35344 = 4087^2 + 188^2 .

It is a cyclic number.

It is not a de Polignac number, because 16738913 - 2⁶ = 16738849 is a prime.

It is not a weakly prime, because it can be changed into another prime (16738919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8369456 + 8369457.

It is an arithmetic number, because the mean of its divisors is an integer number (8369457).

Almost surely, 2^16738913 is an apocalyptic number.

It is an amenable number.

16738913 is a deficient number, since it is larger than the sum of its proper divisors (1).

16738913 is an equidigital number, since it uses as much as digits as its factorization.

16738913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 16738913 is about 4091.3216690942. The cubic root of 16738913 is about 255.8050324194.

The spelling of 16738913 in words is "sixteen million, seven hundred thirty-eight thousand, nine hundred thirteen".