16969698820 has 24 divisors (see below), whose sum is σ = 35989207128. Its totient is φ = 6720672000.

The previous prime is 16969698803. The next prime is 16969698827. The reversal of 16969698820 is 2889696961.

16969698820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8840512576 + 8129186244 = 94024^2 + 90162^2 .

It is not an unprimeable number, because it can be changed into a prime (16969698827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4198401 + ... + 4202440.

It is an arithmetic number, because the mean of its divisors is an integer number (1499550297).

Almost surely, 2^16969698820 is an apocalyptic number.

16969698820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16969698820 is an abundant number, since it is smaller than the sum of its proper divisors (19019508308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16969698820 is a wasteful number, since it uses less digits than its factorization.

16969698820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400951 (or 8400949 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 64.

The spelling of 16969698820 in words is "sixteen billion, nine hundred sixty-nine million, six hundred ninety-eight thousand, eight hundred twenty".