16786061 has 2 divisors, whose sum is σ = 16786062. Its totient is φ = 16786060.

The previous prime is 16786027. The next prime is 16786073. The reversal of 16786061 is 16068761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13875625 + 2910436 = 3725^2 + 1706^2 .

It is a cyclic number.

It is not a de Polignac number, because 16786061 - 2⁶ = 16785997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16716061) 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, 8393030 + 8393031.

It is an arithmetic number, because the mean of its divisors is an integer number (8393031).

Almost surely, 2^16786061 is an apocalyptic number.

It is an amenable number.

16786061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16786061 is an equidigital number, since it uses as much as digits as its factorization.

16786061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 16786061 is about 4097.0795696447. The cubic root of 16786061 is about 256.0449800928.

The spelling of 16786061 in words is "sixteen million, seven hundred eighty-six thousand, sixty-one".