16738769 has 2 divisors, whose sum is σ = 16738770. Its totient is φ = 16738768.

The previous prime is 16738751. The next prime is 16738789. The reversal of 16738769 is 96783761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 4579600 = 3487^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 16738769 - 2¹² = 16734673 is a prime.

It is a super-2 number, since 2×16738769² = 560372775270722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16738789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8369384 + 8369385.

It is an arithmetic number, because the mean of its divisors is an integer number (8369385).

Almost surely, 2^16738769 is an apocalyptic number.

It is an amenable number.

16738769 is a deficient number, since it is larger than the sum of its proper divisors (1).

16738769 is an equidigital number, since it uses as much as digits as its factorization.

16738769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 16738769 is about 4091.3040708312. The cubic root of 16738769 is about 255.8042988786.

The spelling of 16738769 in words is "sixteen million, seven hundred thirty-eight thousand, seven hundred sixty-nine".