16765783066 has 16 divisors (see below), whose sum is σ = 25342065000. Its totient is φ = 8318537728.

The previous prime is 16765783051. The next prime is 16765783081. The reversal of 16765783066 is 66038756761.

16765783066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16765783051) and next prime (16765783081).

It can be written as a sum of positive squares in 4 ways, for example, as 11945397025 + 4820386041 = 109295^2 + 69429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16765782998 and 16765783016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285786 + ... + 339418.

Almost surely, 2^16765783066 is an apocalyptic number.

16765783066 is a deficient number, since it is larger than the sum of its proper divisors (8576281934).

16765783066 is a wasteful number, since it uses less digits than its factorization.

16765783066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54833.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 16765783066 in words is "sixteen billion, seven hundred sixty-five million, seven hundred eighty-three thousand, sixty-six".