16800985115 has 16 divisors (see below), whose sum is σ = 20219152800. Its totient is φ = 13402202112.

The previous prime is 16800985079. The next prime is 16800985121. The reversal of 16800985115 is 51158900861.

It is a cyclic number.

It is not a de Polignac number, because 16800985115 - 2⁶ = 16800985051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2723024 + ... + 2729186.

It is an arithmetic number, because the mean of its divisors is an integer number (1263697050).

Almost surely, 2^16800985115 is an apocalyptic number.

16800985115 is a deficient number, since it is larger than the sum of its proper divisors (3418167685).

16800985115 is an equidigital number, since it uses as much as digits as its factorization.

16800985115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7646.

The product of its (nonzero) digits is 86400, while the sum is 44.

The spelling of 16800985115 in words is "sixteen billion, eight hundred million, nine hundred eighty-five thousand, one hundred fifteen".