16446768366 has 40 divisors (see below), whose sum is σ = 38373543144. Its totient is φ = 4699072560.

The previous prime is 16446768343. The next prime is 16446768367. The reversal of 16446768366 is 66386764461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16446768367) 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 in 19 ways as a sum of consecutive naturals, for example, 556425 + ... + 585236.

Almost surely, 2^16446768366 is an apocalyptic number.

16446768366 is an abundant number, since it is smaller than the sum of its proper divisors (21926774778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16446768366 is an equidigital number, since it uses as much as digits as its factorization.

16446768366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141694 (or 1141673 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 57.

The spelling of 16446768366 in words is "sixteen billion, four hundred forty-six million, seven hundred sixty-eight thousand, three hundred sixty-six".