16321968898 has 16 divisors (see below), whose sum is σ = 25130818944. Its totient is φ = 7946792560.

The previous prime is 16321968833. The next prime is 16321968907. The reversal of 16321968898 is 89886912361.

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 7 ways as a sum of consecutive naturals, for example, 422188 + ... + 459223.

It is an arithmetic number, because the mean of its divisors is an integer number (1570676184).

Almost surely, 2^16321968898 is an apocalyptic number.

16321968898 is a deficient number, since it is larger than the sum of its proper divisors (8808850046).

16321968898 is a wasteful number, since it uses less digits than its factorization.

16321968898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881657.

The product of its digits is 8957952, while the sum is 61.

The spelling of 16321968898 in words is "sixteen billion, three hundred twenty-one million, nine hundred sixty-eight thousand, eight hundred ninety-eight".