16961689608 has 16 divisors (see below), whose sum is σ = 42404224080. Its totient is φ = 5653896528.

The previous prime is 16961689553. The next prime is 16961689637. The reversal of 16961689608 is 80698616961.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 353368510 + ... + 353368557.

It is an arithmetic number, because the mean of its divisors is an integer number (2650264005).

Almost surely, 2^16961689608 is an apocalyptic number.

It is an amenable number.

16961689608 is an abundant number, since it is smaller than the sum of its proper divisors (25442534472).

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

16961689608 is a wasteful number, since it uses less digits than its factorization.

16961689608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706737076 (or 706737072 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 60.

The spelling of 16961689608 in words is "sixteen billion, nine hundred sixty-one million, six hundred eighty-nine thousand, six hundred eight".