16765939 has 2 divisors, whose sum is σ = 16765940. Its totient is φ = 16765938.

The previous prime is 16765913. The next prime is 16766021. The reversal of 16765939 is 93956761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16765939 - 2⁵ = 16765907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16765139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8382969 + 8382970.

It is an arithmetic number, because the mean of its divisors is an integer number (8382970).

Almost surely, 2^16765939 is an apocalyptic number.

16765939 is a deficient number, since it is larger than the sum of its proper divisors (1).

16765939 is an equidigital number, since it uses as much as digits as its factorization.

16765939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 46.

The square root of 16765939 is about 4094.6231816860. The cubic root of 16765939 is about 255.9426293559.

The spelling of 16765939 in words is "sixteen million, seven hundred sixty-five thousand, nine hundred thirty-nine".