16799788996 has 27 divisors (see below), whose sum is σ = 29633283981. Its totient is φ = 8333661744.

The previous prime is 16799788969. The next prime is 16799789009. The reversal of 16799788996 is 69988799761.

It is a happy number.

The square root of 16799788996 is 129614.

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., 15646507396 + 1153281600 = 125086^2 + 33960^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59363071 + ... + 59363353.

Almost surely, 2^16799788996 is an apocalyptic number.

16799788996 is the 129614-th square number.

It is an amenable number.

16799788996 is a deficient number, since it is larger than the sum of its proper divisors (12833494985).

16799788996 is an frugal number, since it uses more digits than its factorization.

16799788996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 514 counting only the distinct ones).

The product of its digits is 740710656, while the sum is 79.

The spelling of 16799788996 in words is "sixteen billion, seven hundred ninety-nine million, seven hundred eighty-eight thousand, nine hundred ninety-six".