16786073 has 2 divisors, whose sum is σ = 16786074. Its totient is φ = 16786072.

The previous prime is 16786061. The next prime is 16786093. The reversal of 16786073 is 37068761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11888704 + 4897369 = 3448^2 + 2213^2 .

It is an emirp because it is prime and its reverse (37068761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16786073 - 2⁶ = 16786009 is a prime.

It is a super-2 number, since 2×16786073² = 563544493522658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16786093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8393036 + 8393037.

It is an arithmetic number, because the mean of its divisors is an integer number (8393037).

Almost surely, 2^16786073 is an apocalyptic number.

It is an amenable number.

16786073 is a deficient number, since it is larger than the sum of its proper divisors (1).

16786073 is an equidigital number, since it uses as much as digits as its factorization.

16786073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 16786073 is about 4097.0810341022. The cubic root of 16786073 is about 256.0450411065.

The spelling of 16786073 in words is "sixteen million, seven hundred eighty-six thousand, seventy-three".