16988348667 has 12 divisors (see below), whose sum is σ = 23041570280. Its totient is φ = 11133600192.

The previous prime is 16988348639. The next prime is 16988348701. The reversal of 16988348667 is 76684388961.

It is not a de Polignac number, because 16988348667 - 2¹⁵ = 16988315899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16988348598 and 16988348607.

It is not an unprimeable number, because it can be changed into a prime (16988348627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802942 + ... + 823827.

Almost surely, 2^16988348667 is an apocalyptic number.

16988348667 is a deficient number, since it is larger than the sum of its proper divisors (6053221613).

16988348667 is an equidigital number, since it uses as much as digits as its factorization.

16988348667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626890 (or 1626831 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 66.

The spelling of 16988348667 in words is "sixteen billion, nine hundred eighty-eight million, three hundred forty-eight thousand, six hundred sixty-seven".