16988650408799 has 12 divisors (see below), whose sum is σ = 17577724865760. Its totient is φ = 16418737080000.

The previous prime is 16988650408729. The next prime is 16988650408931. The reversal of 16988650408799 is 99780405688961.

It is not a de Polignac number, because 16988650408799 - 2¹² = 16988650404703 is a prime.

It is a super-2 number, since 2×16988650408799² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16988650408729) 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, 11047994 + ... + 12491415.

It is an arithmetic number, because the mean of its divisors is an integer number (1464810405480).

Almost surely, 2^{16988650408799} is an apocalyptic number.

16988650408799 is a deficient number, since it is larger than the sum of its proper divisors (589074456961).

16988650408799 is an equidigital number, since it uses as much as digits as its factorization.

16988650408799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23540222 (or 23540191 counting only the distinct ones).

The product of its (nonzero) digits is 1881169920, while the sum is 80.

The spelling of 16988650408799 in words is "sixteen trillion, nine hundred eighty-eight billion, six hundred fifty million, four hundred eight thousand, seven hundred ninety-nine".