16646960737 has 16 divisors (see below), whose sum is σ = 18355709952. Its totient is φ = 14971461120.

The previous prime is 16646960719. The next prime is 16646960749. The reversal of 16646960737 is 73706964661.

16646960737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-16646960737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16646930737) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 476263 + ... + 510019.

It is an arithmetic number, because the mean of its divisors is an integer number (1147231872).

Almost surely, 2^16646960737 is an apocalyptic number.

It is an amenable number.

16646960737 is a deficient number, since it is larger than the sum of its proper divisors (1708749215).

16646960737 is a wasteful number, since it uses less digits than its factorization.

16646960737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34248.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 16646960737 in words is "sixteen billion, six hundred forty-six million, nine hundred sixty thousand, seven hundred thirty-seven".