16769449868 has 24 divisors (see below), whose sum is σ = 31678426080. Its totient is φ = 7743612800.

The previous prime is 16769449849. The next prime is 16769449871. The reversal of 16769449868 is 86894496761.

It is a junction number, because it is equal to n+sod(n) for n = 16769449798 and 16769449807.

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, 3140033 + ... + 3145368.

It is an arithmetic number, because the mean of its divisors is an integer number (1319934420).

Almost surely, 2^16769449868 is an apocalyptic number.

It is an amenable number.

16769449868 is a deficient number, since it is larger than the sum of its proper divisors (14908976212).

16769449868 is a wasteful number, since it uses less digits than its factorization.

16769449868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285457 (or 6285455 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 68.

The spelling of 16769449868 in words is "sixteen billion, seven hundred sixty-nine million, four hundred forty-nine thousand, eight hundred sixty-eight".