16986988326 has 64 divisors (see below), whose sum is σ = 42371237376. Its totient is φ = 4410739200.

The previous prime is 16986988259. The next prime is 16986988373. The reversal of 16986988326 is 62388968961.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2482606 + ... + 2489438.

It is an arithmetic number, because the mean of its divisors is an integer number (662050584).

Almost surely, 2^16986988326 is an apocalyptic number.

16986988326 is an abundant number, since it is smaller than the sum of its proper divisors (25384249050).

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

16986988326 is a wasteful number, since it uses less digits than its factorization.

16986988326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237.

The product of its digits is 53747712, while the sum is 66.

The spelling of 16986988326 in words is "sixteen billion, nine hundred eighty-six million, nine hundred eighty-eight thousand, three hundred twenty-six".