16727662856 has 32 divisors (see below), whose sum is σ = 33294807000. Its totient is φ = 7851580416.

The previous prime is 16727662823. The next prime is 16727662867. The reversal of 16727662856 is 65826672761.

It can be written as a sum of positive squares in 4 ways, for example, as 16061506756 + 666156100 = 126734^2 + 25810^2 .

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, 105191 + ... + 210998.

Almost surely, 2^16727662856 is an apocalyptic number.

It is an amenable number.

16727662856 is a deficient number, since it is larger than the sum of its proper divisors (16567144144).

16727662856 is a wasteful number, since it uses less digits than its factorization.

16727662856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316601 (or 316597 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The spelling of 16727662856 in words is "sixteen billion, seven hundred twenty-seven million, six hundred sixty-two thousand, eight hundred fifty-six".