16660980967 has 4 divisors (see below), whose sum is σ = 16669154160. Its totient is φ = 16652807776.

The previous prime is 16660980953. The next prime is 16660980977. The reversal of 16660980967 is 76908906661.

16660980967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16660980967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660980977) 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 3 ways as a sum of consecutive naturals, for example, 4083538 + ... + 4087615.

It is an arithmetic number, because the mean of its divisors is an integer number (4167288540).

Almost surely, 2^16660980967 is an apocalyptic number.

16660980967 is a deficient number, since it is larger than the sum of its proper divisors (8173193).

16660980967 is an equidigital number, since it uses as much as digits as its factorization.

16660980967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173192.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 16660980967 in words is "sixteen billion, six hundred sixty million, nine hundred eighty thousand, nine hundred sixty-seven".