16986917612 has 36 divisors (see below), whose sum is σ = 34588033200. Its totient is φ = 7278524064.

The previous prime is 16986917611. The next prime is 16986917621. The reversal of 16986917612 is 21671968961.

It is not an unprimeable number, because it can be changed into a prime (16986917611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1552553 + ... + 1563455.

It is an arithmetic number, because the mean of its divisors is an integer number (960778700).

Almost surely, 2^16986917612 is an apocalyptic number.

It is an amenable number.

16986917612 is an abundant number, since it is smaller than the sum of its proper divisors (17601115588).

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

16986917612 is a wasteful number, since it uses less digits than its factorization.

16986917612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18870 (or 18861 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 56.

The spelling of 16986917612 in words is "sixteen billion, nine hundred eighty-six million, nine hundred seventeen thousand, six hundred twelve".