16998422884 has 81 divisors (see below), whose sum is σ = 32522920857. Its totient is φ = 7772614848.

The previous prime is 16998422869. The next prime is 16998422891. The reversal of 16998422884 is 48822489961.

The square root of 16998422884 is 130378.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9649132900 + 7349289984 = 98230^2 + 85728^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 232855072 + ... + 232855144.

Almost surely, 2^16998422884 is an apocalyptic number.

16998422884 is the 130378-th square number.

It is an amenable number.

16998422884 is a deficient number, since it is larger than the sum of its proper divisors (15524497973).

16998422884 is an equidigital number, since it uses as much as digits as its factorization.

16998422884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 141 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 61.

The spelling of 16998422884 in words is "sixteen billion, nine hundred ninety-eight million, four hundred twenty-two thousand, eight hundred eighty-four".