16738 has 4 divisors (see below), whose sum is σ = 25110. Its totient is φ = 8368.

The previous prime is 16729. The next prime is 16741. The reversal of 16738 is 83761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12769 + 3969 = 113^2 + 63^2 .

It is a nialpdrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4183 + ... + 4186.

2¹⁶⁷³⁸ is an apocalyptic number.

16738 is a deficient number, since it is larger than the sum of its proper divisors (8372).

16738 is an equidigital number, since it uses as much as digits as its factorization.

16738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371.

The product of its digits is 1008, while the sum is 25.

The square root of 16738 is about 129.3754227046. The cubic root of 16738 is about 25.5800381495.

It can be divided in two parts, 1673 and 8, that added together give a square (1681 = 41²).

The spelling of 16738 in words is "sixteen thousand, seven hundred thirty-eight".