16396847868 has 24 divisors (see below), whose sum is σ = 38261515600. Its totient is φ = 5465301120.

The previous prime is 16396847851. The next prime is 16396847881. The reversal of 16396847868 is 86874869361.

16396847868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16396847868² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16396847799 and 16396847808.

It is a congruent number.

It is an unprimeable number.

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, 283758 + ... + 336618.

Almost surely, 2^16396847868 is an apocalyptic number.

It is an amenable number.

16396847868 is an abundant number, since it is smaller than the sum of its proper divisors (21864667732).

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

16396847868 is a wasteful number, since it uses less digits than its factorization.

16396847868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78717 (or 78715 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 66.

The spelling of 16396847868 in words is "sixteen billion, three hundred ninety-six million, eight hundred forty-seven thousand, eight hundred sixty-eight".