16988650408798 has 16 divisors (see below), whose sum is σ = 25900875144144. Its totient is φ = 8355026928960.

The previous prime is 16988650408729. The next prime is 16988650408931. The reversal of 16988650408798 is 89780405688961.

It is a super-2 number, since 2×16988650408798² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32915361 + ... + 33427507.

It is an arithmetic number, because the mean of its divisors is an integer number (1618804696509).

Almost surely, 2^{16988650408798} is an apocalyptic number.

16988650408798 is a deficient number, since it is larger than the sum of its proper divisors (8912224735346).

16988650408798 is a wasteful number, since it uses less digits than its factorization.

16988650408798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784107.

The product of its (nonzero) digits is 1672151040, while the sum is 79.

The spelling of 16988650408798 in words is "sixteen trillion, nine hundred eighty-eight billion, six hundred fifty million, four hundred eight thousand, seven hundred ninety-eight".