16731677 has 2 divisors, whose sum is σ = 16731678. Its totient is φ = 16731676.

The previous prime is 16731641. The next prime is 16731739. The reversal of 16731677 is 77613761.

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., 10310521 + 6421156 = 3211^2 + 2534^2 .

It is a cyclic number.

It is not a de Polignac number, because 16731677 - 2¹⁶ = 16666141 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16731677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16731277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8365838 + 8365839.

It is an arithmetic number, because the mean of its divisors is an integer number (8365839).

Almost surely, 2^16731677 is an apocalyptic number.

It is an amenable number.

16731677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16731677 is an equidigital number, since it uses as much as digits as its factorization.

16731677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 38.

The square root of 16731677 is about 4090.4372626897. The cubic root of 16731677 is about 255.7681667839.

The spelling of 16731677 in words is "sixteen million, seven hundred thirty-one thousand, six hundred seventy-seven".