16988316864 has 28 divisors (see below), whose sum is σ = 44948255544. Its totient is φ = 5662772224.

The previous prime is 16988316809. The next prime is 16988316901. The reversal of 16988316864 is 46861388961.

It is a junction number, because it is equal to n+sod(n) for n = 16988316798 and 16988316807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44240217 + ... + 44240600.

Almost surely, 2^16988316864 is an apocalyptic number.

It is an amenable number.

16988316864 is an abundant number, since it is smaller than the sum of its proper divisors (27959938680).

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

16988316864 is an equidigital number, since it uses as much as digits as its factorization.

16988316864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88480832 (or 88480822 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 60.

The spelling of 16988316864 in words is "sixteen billion, nine hundred eighty-eight million, three hundred sixteen thousand, eight hundred sixty-four".